a gazzelle eats grass and later eaten by Tiger which is the prey ​

Answers

Answer 1

Answer: The gazelle is the prey

Explanation:

Predation occurs when an organism (in this case, the tiger) known as a predator kills and eats another ( the gazelle) known as a prey


Related Questions

What are two effects of urban sprawl on an owls ecosystem and explain?

Answers

Answer:

Urban sprawl has caused a lot of damage to ecosystems and the environment. Since the owl ecosystem is in question, the following two effects are seen-

1. Loss of food

2. Loss of habitat

Explanation:

Urban sprawl is the process by which urbanization is taking place by destroying forests and constructing buildings and cities. The owl is a nocturnal bird that sleeps during the day and preys at night. The owl feeds on small rodents, grasshoppers, snakes etc. They live in trees, farmlands, prairie, etc.

If the forests are cut, the trees where the owls reside will be lost. They will become homeless and will have to move elsewhere to find food.

Since they feed on rodents, these rodents hide in the grass and under the trees. If the grass and trees are destroyed to make roads and buildings, the owl will remain hungry and will eventually die if it does not relocate.

a mechanism of evolution that suggest changes in the gene pool of a population are due to chance is

Answers

Answer:

b

Explanation:

Some rivers no longer reach the ocean because
A) mud and sand from floods have blocked their channels
B) too much water is taken out of the watershed upstream
C) they are now polluted and people have redirected them
D) there is too much erosion and reshaping in the watershed

Answers

Pretty sure the correct answer is D

Will give brainliest plz help

Answers

Answer:

A

Explanation:

The data shows us the bubbles produced per minute when the light source is at different distances away from the plant. The closer the light source is to the plant, the greater the light intensity. In the table, there are a larger amount of bubbles produced the closer the light source is to the plant. Therefore, the data supports that the higher the light intensity, the more gas produced by the plant, i.e. option A

The data does not tell us anything about water uptake by the plant (as in B). The data also does not tell us anything about the energy required for photosynthesis (as in C), or how much carbon dioxide is needed (as in D).

Phase II drug degradation reactions involves linking of conjugates to the drugs are ___
A) Glutathione
B) Glycine
C) Both (a) & (b)
D) None of these

Answers

Answer:

Hi!

The answer is (C) Both (a) and (b)

Explanation:

Drug Metabolism:

Drug metabolism is divided into two steps: Phase 1 and Phase 2 reactions. Phase 1 reactions involve the degradation or formation of functional groups.Phase 2 reactions involve the conjugation of the drug or its Phase 1 intermediate with a polar conjugating molecule. Phase 2 generally performs the detoxification step in the drug degradation process. Phase 2 or conjugation reactions are further divided into 2 types: Type 1: Glucoronidation and sulfonation: An activated conjugating molecule such as glucoronic acid, sulfate or glutathione etc. is combined with the drug to form a conjugated molecule. Type 2: Amino acid conjugation: An activated drug or substrate is conjugated with an amino acid such as glycine or glutamine.

Glutathione Conjugation:

Glutathione is a tripeptide found in most tissues, particularly in the liver. It performs important detoxification functions for all cells. The enzyme, glutathione S-transferase conjugates glutathione with drug intermediates to form a drug-glutathione conjugate. This conjugate can easily be excreted through bile or urine.

Amino acid Conjugation:

This is an important reaction in xenobiotic biotransformation; particularly for xenobiotics with carboxylic group or an aromatic hydroxylamine groups. Drug intermediates combine with glycine or glutamine to form an amino acid conjugate.

Why is the Calvin cycle dependent on the light-dependent reaction?

Answers

Answer:

The overall purpose of the light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules.

Explanation:

what part of your school fils up the inside of the cell

Answers

Answer:

1) vacuole= ur school canteen (if u hve one)

2) chloroplast = ur science teachers

3) lysosomes= ur MATH TEACHER!!!!!!!!! lol

4)NUCLEUS=UR PRINCIPAL'S OFFICE

5)Golgi body = ur school bus

6) cell wall= guards at ur school


11. Nery wants to create a Labradoodle. She says "If I mate a Poodle and a Labrador
Retriever, then I can breed a Labradoodle." Her statement is an example of a(n)
Select one:
A. Observation
B. Hypothesis
C. Procedure
D. Theory

Answers

Explanation:

B. Hypothesis

A scientist comes up with a hypothesis which is a testable explanation for the phenomenon or what’s occurring

A prediction of the outcome is usually made based on the hypothesis...

 

Further Explanation:

Scientific investigations usually begin with observations. These are typically something that would catch the researcher’s attention. Then, the scientist comes up with a hypothesis which is a testable explanation for the phenomenon or what’s occurring a prediction is usually made based on the hypothesis.

A prediction of the outcome is usually made based on the hypothesis, after which it is tested via an experiment. The scientist then use the results to make new hypotheses or predict certain outcomes.

 

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2. What could cause several species to evolve into several hundred species?

Answers

Answer:

Evolutionary process could cause several species to evolve into several hundred species

Explanation:

Being an evolutionary process, it gives rise to new species in more numbers. It is caused because of mutation upon a certain population for a long time. Various other mechanism can also lead to speciation. Another thing is also responsible for it that is genetic drift which leads to random ups and down in the population frequencies. That is helpful in evolution of several other species. Natural selection is also an factor for large evolution and species formation

When two comparisons groups within an experiment are identical except for one variable the experiment is called

Answers

Answer:

Controlled experiment

Explanation:

A controlled experiment is a type of experimentation that is done under controlled conditions. The procedure entails changing or manipulating one (sometimes more than one) variable or factor at a time, but keeping everything else the same between the groups.

This is done to ensure that the factor or variable they are testing is what elicits any changes in the subject. One group is always kept in normal or standard conditions, to serve as a base line to compare to.  

Bacteria, like the Lactobacillus acidophilus use sugar as an energy source for anaerobic cellular respiration. This process produces much less ATP than aerobic respiration and does not produce carbon dioxide as a by-product. It does, however, give yogurt its sour taste and prevents other food spoiling bacteria from developing.

Answers

Answer: Lactic acid fermentation

Explanation:

The lactic acid fermentation can be defined as the process by which sugar is being converted into lactic acid.

There is no emission of carbon dioxide during the whole process. In case of curd formation. The bacteria convert the milk into curd and provides it a sour taste.

It is converted by help of bacteria known as Lactobacillus acidophillus. This method is very frequently in many of food processing industry.

Jackrabbit
The jackrabbit is a desert mammal. The jackrabbit's
circulatory system increases blood flow to the ears
during hot days. The blood flow to the ears decreases
during cool or cold nights. This circulation pattern is
most directly related to
A detoxification
B excretion
O Cosmosis
D homeostasis
OSE
CHO

Answers

Answer:

Hello!

The answer is D) Homeostasis

Explanation:

Homeostasis:

The regulation of a cell or an animal's internal environment in response to fluctuations in the external environment is called homeostasis.

Homeostasis is crucial to maintain an optimum environment for cell structures to work effectively.

In this case, the jackrabbiit's circulatory system is responding to fluctuating temperatures. In hot days, the body is at risk of heating up above optimum temperature which could hamper body functions. Therefore, the blood flow to the ears is increased to facilitate heat loss.

In cold temperatures, the blood flow to the ears is decreased to conserve heat for vital body organs. The blood flow is directed to the core of the body to protect the heart, lungs, liver and brain.

Final answer:

The jackrabbit's circulatory system adapts to temperature changes by regulating blood flow to its ears, directly relating to homeostasis, which maintains a stable internal environment in varying temperatures.

Explanation:

The jackrabbit's circulatory system facilitates the regulation of body temperature, a phenomenon known as homeostasis. On hot days, vasodilation occurs, increasing blood flow to the jackrabbit's ears where heat can be dissipated through radiation and evaporative cooling. Conversely, on cooler nights, vasoconstriction minimizes blood flow to the ears to conserve body heat. This pattern directly relates to homeostasis because it is a way for the organism to maintain a stable internal environment despite the varying external temperatures.

Which of the following is a true statement about the flow of energy in an ecosystem?
a. Smaller organisms need less energy per gram of body weight than do larger organisms.
6. Energy transfer between organisms normally involves conservation of heat energy.
C. Energy is lost between trophic levels.

Answers

Energy is lost between trophic levels.

Answer:  Option C

Explanation:

The source of energy for all organisms is the Sun. The Tropic levels exhibit the flow of energy in an ecosystem. The flow of energy is always in one direction. The energy level decreases crossing each trophic level as energy is lost in the form of heat.

Primary producers are the first in Trophic level, The Herbivores fall in the next level , the Carnivores form the next level and the decomposers are the last in the trophic level. The decomposers decompose all the living organisms and convert to nutrients that are available in the soil. The plants take up this nutrient and hence this is a cycle.

A pea plant with round seeds (RR) is crossbred with another pea plant with wrinkled seeds (rr). What is the probability of the offspring having wrinkled seeds?

Answers

Answer:

0

Explanation:

The parent plants are each heterozygous for round seeds and heterozygous for wrinkled seeds. Each parent contributes one allele to the offspring plant. As such, the only possible genotype of all offspring plants would be Rr (which would have round seeds as round seeds allele is dominant). Hence, no offspring can have wrinkled seeds.

Answer: 0%

Explanation: The parent plants are each heterozygous for round seeds and heterozygous for wrinkled seeds. Each parent contributes one allele to the offspring plant.

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In rna the nucleotide is used in place of thymine in dna

Answers

Answer:

In RNA, thymine is replaced with Uracil.

Explanation:

Genetic material (DNA and RNA) is made up of nucleotides. These are Adenine, Thymine, Guanine, Cytosine, and Uracil. Three of them (Adenine, Cytosine, and Guanine) are present in both types of genetic material, i.e. DNA and RNA. However, in DNA Thymine is present whereas in RNA, Uracil replaces Thymine. They are similar in structure except that Thymine has additional methyl group.

What must happen to DNA before cells can divide?

Answers

Before a cell divides, DNA must copy itself in order to check for errors and make sure that the cells produced will have the correct number of chromosomes

Using the product rule of probability, calculate the odds of getting an individual that receives the bb genotype and therefore shows the recessive trait, white flowers. A) 1/4 X 1/4 = 1/16 B) 1/2 X 1/2 = 1/4 C) 1/4 + 1/4 = 1/2 D) 3 X 1/4 = 3/4; 1 - 3/4 = 1/4

Answers

The recessive trait, white flowers are shown as 1/2* 1/2= 1/4. So, the correct option is B.

What is Probability?

Probability means possibility which is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one. Probability has been introduced in Mathematics to predict how likely events are to happen.

A probability rule that is very useful in genetics is the product rule, which states that the probability of two or more independent events occurring simultaneously can be calculated by multiplying the individual probabilities of the events. Like in above given information, Probability of recessive trait is 1/4.

Thus. the recessive trait, white flowers are shown as 1/2* 1/2= 1/4. So, the correct option is B.

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What are some important uses of DNA in forensics

Answers

Answer:

DNA profiling is a forensic technique in criminal investigations, comparing criminal suspects' profiles to DNA evidence so as to assess the likelihood of their involvement in the crime. ... DNA profiling has also been used in the study of animal and plant populations in the fields of zoology, botany, and agriculture.

Explanation:

It is also known as genetic fingerprinting, DNA typing, and DNA profiling. When used for forensic science, DNA fingerprinting makes use of probes that target regions of DNA specific to humans, thus eliminating any possibility of contamination by extraneous DNA from bacteria, plants, insects, or other sources.

DNA has been notably important to the field of forensic science. The discovery of DNA has meant that the guilt or innocence of a person who is investigated for a crime can be determined. It also means that scarce evidence can still yield vital clues regarding the perpetrator of a crime.

Hope this helps

Final answer:

DNA analysis is crucial in forensic science for identifying individuals and providing evidence in legal cases. Crime scene investigations often involve DNA profiling to match suspects to biological material at a crime scene. Forensic scientists utilize technologies like PCR, STR analysis, and mitochondrial DNA sequencing to analyze samples.

Explanation:

Important Uses of DNA in Forensics

DNA analysis plays a crucial role in forensic science, providing a powerful tool for solving crimes and seeking justice. The unique nature of an individual's DNA allows forensic experts to use it as definitive evidence in court cases. DNA profiling can determine if a suspect's genetic material matches that found at a crime scene, which is vital for crime scene investigations. Examples include analysis of blood, skin cells, hair, or other biological materials that could link a crime to an individual. In addition to human identification, DNA analysis also aids in other legal matters like paternity testing, identifying bodies, or even tracking the source of infections, as seen in bioterrorism with the anthrax cases handled through microbial genomics.

Technicians use DNA sequencing to compare sample sequences with known sequences, which can determine relationships or identify crime suspects. They employ various technologies, including polymerase chain reaction (PCR) and short tandem repeat (STR) analysis, for amplifying and comparing DNA fragments, and mitochondrial DNA sequencing, which is often used in cases where nuclear DNA is not available.

Those pursuing careers in forensics should obtain a solid foundation in the sciences, with specializations in areas like biology or chemistry, and have laboratory experience. Their expertise is also vital in court, where they present and interpret DNA evidence.

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what is the solution set of the quadratic equation x^4-x^2-2=0​

Answers

Answer:

(x^4-x^2-2)^0=0

0=0

simple

I don’t think this question belongs to biology section nut if understood you well

2-2=0

x^2-2=x^0

x^0=1

Then x^4-x^0=x^4-1=x^3

So x^4-x^2-2=x^3

Now the equation is x^3=0

The same is x^3=0^3

so x=0

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Answers

The answer is A. The number of organisms is staying the same because they are dying at the same rate that they are being born.

How does a greenhouse works

Answers

Answer:

A greenhouse is a building with glass walls and a glass roof. Greenhouses are used to grow plants, such as tomatoes and tropical flowers. A greenhouse stays warm inside, even during the winter. In the daytime, sunlight shines into the greenhouse and warms the plants and air inside.

Explanation:

The greenhouse heats up the earth to ensure that the earth doesn’t get too cold. However due to an increase rate of carbon dioxide emissions the earth is heating too much leading to climate change which eventually leads to global warming

By the end of prophase, each of the following has occurred except ____.
Question 7 options:

tighter coiling of the chromosomes

breaking down of the nuclear envelope

disappearing of the nucleolus

lining up of chromosomes in the cell

Answers

By the end of prophase in Mitosis, each of the following has occurred except lining up of the chromosomes in the cell.

Explanation:

Prophase is divided into 2 phases early and late prophase.

Early prophase: The nuclear membrane starts dissociating, centrioles starts to migrate to the opposite poles, chromatin fibres (4) becomes thicker and condensed,

Late Prophase: From the centrioles that are at the opposite poles, Spindle fibres and 2 astral rays are formed. The spindle fibres get attached to the chromosomes.

The prophase will be followed by the metaphase, the chromosomes formed will be adjusted at the equatorial plate.

The description 'lining up of chromosomes in the cell' does NOT occur by the end of prophase.

Mitosis is a cell division by which one cell is divided to generate two genetically identical daughter cells.

This type of cell division has four main stages: prophase, metaphase, anaphase and telophase.

During prophase, the chromatin condenses, the nuclear envelope disintegrates, the nucleolus disappears and centrioles move to opposite ends of the cell (animal cells).

During metaphase, the chromosomes align at the equator plate of the cell in order to travel to opposite poles in anaphase.

In conclusion, the description 'lining up of chromosomes in the cell' does NOT occur by the end of prophase.

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Select the correct answer.
Why might two elements possess similar chemical properties?
A.
They belong to the same group of the periodic table.
B.
They have the same physical state,
C.
They have similar physical properties.
D. They belong to the same period of the periodic table.
Rasat
Next

Answers

Answer:

The answer is: A. They belong to the same group of the periodic table.

Explanation:

Chemical properties of an element are determined by the number of electrons in its valence shell; also known as its electronic configuration. Elements that belong in the same group of the periodic table possess similar chemical properties due to similarity in the number of valence electrons.

How do enzymes act as catalysts
A) Provide proper orientation to the reactant
B) They provide reaction surface
C) They weaken bonds
D) All of these

Answers

Answer:

D

Explanation:

Enzymes are proteins functioning as catalysts that speed up reactions by lowering the activation energy. A simple and succinct definition of an enzyme is that it is a biological catalyst that accelerates a chemical reaction without altering its equilibrium.

CHE. UU
What are wetlands?
OA) where water covers the plants
OB) where water covers the road
OC) where water covers the animals
OD) where water covers the land

Answers

The correct answer is D) Where water covers the land

What is vermin composting​

Answers

Answer: the type of composting in which some species of earthworms are used to enhance the process of organic waste conversion and produce a better end product it is the process of utilizing microorganism and earthworms

Final answer:

Vermin composting is the biological process that uses worms and micro-organisms to break down organic waste into nutrient-rich compost, with various organisms interacting within this ecosystem.

Explanation:

Vermin composting, also known as vermicomposting, is the process of using various species of worms, such as red wigglers or earthworms, to decompose organic food waste, turning it into a nutritious soil amendment known as vermicompost. This composting process involves both physical and chemical decomposition facilitated by the worms and an array of micro-organisms. A compost pile may exhibit heat due to the exothermic reactions of decomposition, and sometimes interesting organisms such as slime molds can be found growing on compost.

Some complex ecosystems, like those in an underground garden, could involve organisms like fungi interacting with leaf litter and waste to create food sources, such as the nodular proliferations used by certain ants. The resulting compost is rich in nutrients, improving soil structure and fertility when applied to gardens and crop fields. This kind of composting not only recycles waste but also reduces landfill use and enhances plant growth.

Bio 254 - Pre-Class Assignment 1
Fill in the blanks
1. The "first line of defense" in innate immunity is
2.
Histamine kinins, and interleukins are examples of

Answers

Question 1:

Answer:

The "first line of defence" in innate immunity is "Physical and chemical barriers".

Explanation

"Physical and chemical barriers" is first line of defence includes  that are  ready to defend the living organism's body from infection at any time . These barriers include your skin, cilia, tears, urine flow, mucus, stomach acid, friendly bacteria and white blood cells . Skin acts as a mechanical barrier as it does not allows all the organism to pass through it unless the skin is cut or open. Similarly mouth eyes, and nose are also the ways through with the disease causing organism can enter the body. The micro-organisms that entered through these pathways are trapped either in saliva or mucus and swallowed and later either killed in the stomach or flushed out via the urine. If this first line of defence is broken or damaged, the second line of defence inside our body will be activated.

Question 2:

Answer:

Histamine kinins, and interleukins are examples of inflammatory mediators.

Explanation:

Inflammatory mediators are identified in inflammatory bowel disease IBD.These mediators play an vital role in the clinical and pathologic characteristics of the disorders. Cytokines, that are released by macrophages in due to antigenic stimuli, are binded different receptors and produce endocrine, autocrine and paracrine effects.  Interleukins are a subset of a large group of 'cellular messenger molecules' called cytokines that modulates the cellular behaviour. Interleukins are not stored within cells like cytokines but they are released immediately, in response to a stimulus. Once an interleukin has been secreted, it moves to the target cell and binds to it through a receptor molecule on the surface of the cell . This interaction triggers a sequence of  signals in the target cell that ultimately leads to the alteration in the behaviour of the cell.

51. Surface processes related to the effects of wind are called

Answers

Answer:

Surface processes related to the effects of wind are called EROSION

Explanation:

Erosion is the removal of top soil, dissolved minerals, rocks from one location to another

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Answer 12

Answers

Answer:

The 2 ways abiotic factors affect biotic factors are as follows:

An alligator submerges itself under water to stay cool in the summer.A naked mole rat creates burrows underground.

Explanation:

Abiotic Factors:

All non-living factors that is present or influences an ecosystem. Abiotic factors determine the dynamics of an ecosystem such as the terrain, the atmosphere as well as the inhabitant flora and fauna. Water, sunlight, oxygen, temperature, and soil are all abiotic factors.

Biotic Factors:

All living factors in an ecosystem i.e. the plants and animals.

Lets analyze all the options:

A bird picking food out of an alligator's teeth is an interaction between 2 biotic factors, the bird and the alligator or in another case, the bird and the food.Water being oxygenated is an interaction between 2 abiotic factors: water and oxygen.

please i want the answer and explanation , explanation is needed​

Answers

I think it’s c

Primarily, lactic acid fermentation differs from ethyl alcohol fermentation in that lactic acid, rather than ethanol, is the resulting by-product. When exposed to oxygen, lactic acid molecules break down into carbon dioxide and water.

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