In the desert food web shown below, which of the following best describes the transfer of energy between the desert tortoise and the coyote?
A) About 90 percent of the desert tortoise's energy transfers to the coyote.
B) About 10 percent of the coyote's energy transfers to the desert tortoise.
C) About 10 percent of the desert tortoise's energy transfers to the coyote.
D) About 90 percent of the coyote's energy transfers to the desert tortoise.
Answers
Answer:
C) About 10 percent of the desert tortoise's energy transfers to the coyote.
Explanation:
In the given food web, the coyote is the top consumer that feeds on desert tortoise and kangaroo rat. Only 10% of the energy of one trophic level is passed to the next trophic level and 90 % of the energy is lost in respiration.
Hence, only 10% energy of desert tortoise would be delivered to coyote and rest would be lost during respiration.
Related Questions
What is the most common blood type in the u.s. population?
Answers
Some ocean organisms produce light from chemical reactions. In which part of the ocean do these animals tend to live?
A. The Gulf Stream
B. The surface waters
C. The mesophelagic zone
D. The epipelagic zone
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the answer is C) hi really hope this helps have an wonderfully amazing day/night
Which of the following best describes what happens during a cross-over event?
A. Tetrads change orientation as they line up along the center of the cell.
B. Chromatids of homologous chromosomes exchange corresponding segments. C. X and Y sex chromosomes overlap and combine together during metaphase. D. Spindle fibers overlap and attach to the wrong chromosomes during anaphase.
Answers
The crossover in this context is the exchange of genetic material between homologous chromosomes. Homologous chromosomes are only present in the meiosis I, but not in meiosis the II. Because of the crossovers, now a new and unique gene combination is created resulted in completely unique individual
Answer:
b. Chromatids of homologous chromosomes exchange corresponding segments.
Why is it important for plants to have mechanisms to prevent self-fertilization?
Answers
It is important for plants to have mechanism to prevent self fertilization in order to establish genetic diversity else homozygosity will be there without any variations.
What do you understand by self-fertilization ?Self-fertilization refers to the union of male and female gametes (sex cells) produced by the same person. Bisexual organisms, including the majority of flowering plants, self-fertilize.
Self-fertilization functions as an evolutionary and reproductive mechanism that enables an isolated individual to establish a local population and stabilize desirable genetic strains, but it falls short of supplying a significant amount of variability within a population, limiting the potential for adaptation to environmental change.
Therefore, mechanism to prevent self fertilization is important in plants.
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Consider the diagram. mc006-1.jpg Which postulate of the kinetic-molecular theory best describes the event in the diagram? Most of the volume of a gas is empty space. All collisions between particles are perfectly elastic. There is no force of attraction or repulsion between gas particles. The average kinetic energy of particles depends only on temperature.
Answers
Correct answer:
"All collisions between particles are perfectly elastic."
This is called elastic collision. Elastic collision is the encounter between two molecules where the total kinetic energy of the molecules before the encounter is equal to their total kinetic energy after. The perfectly elastic collision it only happens, though, when the kinetic energy is not transformed into other forms of energy.
Answer:
The answer is B
Explanation:
The synthesis of giant molecules from components of repeating units is _____. polymerization hydrolysis
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Answer: The correct answer for the fill the blank is polymerization.
Polymerization is the process of formation of large molecule from the components of smaller repeating units. A chemical bond is formed between smaller units. The smaller repeating units are called as monomers and the giant molecule formed in this process is called as polymer.
Example- DNA ( deoxyribonucleic acid) is a giant molecule or polymer, which is formed by the joining of individual smaller units called as dNTP ( deoxyribonucleoside triphosphate). Thus, formation of DNA is a polymerization reaction.
If a mutation occurs such that photosystem ii no longer functions as efficiently as it should, what might be most directly affected?
Answers
Out of the following given choices;
a) The amount of oxygen produced
b) The rate of ATP synthesis by ATP synthase in the chloroplast
c) The rate at which NADPH is produced
d) The rate at which the protons are transported into the thylakoid
The answer is; A
The photosystem captures energy from sunlight and uses it to split a water molecule. After splitting the water molecule (by taking an electron), the protein complex transports the electron to plastoquinone. The splitting of water molecules results in evolving of oxygen molecules. The hydrogen is what is used to reduce carbon dioxide to glucose.
The amount of oxygen to be generated will be affected directly.
Further Explanation:
Photosystem is responsible for photosynthetic light reactions of algae, bacteria, and plant.
There are 2 photosystems:
Photosystem-1 Photosystem-2
Photosystem-1 plays the main role and utilizes light energy in order to generate high energy carriers such as NADPH as well as ATP. They use p700 photoreceptor and they absorb light of longer wavelength. In this photolysis of water does not occur.
On the contrary, photosystem-2 refers to the protein complex found in the light-dependent reactions of the oxygenic photosynthesis. They present in the thylakoid membrane of the plants, cyanobacteria, and algae. They absorb the shorter wavelength of light. In photosystem 2 photolysis of water occur.
The photosystem absorbs the energy from the sunlight and utilizes it to break the water molecule. After this, the protein complex sends the electron towards the plastoquinone. The breaking of the water molecules leads to the evolution of oxygen molecules. The water is what is utilized to lower the carbon dioxide to a glucose molecule.
Learn more:
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Answer Details
Grade: High School
Subject: Biology
Chapter: Photosynthesis
Keywords:
Oxygen, photosynthesis, photosystems 1, photosystem 2, water molecule, carbon dioxide, glucose, evolution, sunlight, hydrogen.
Where does translation take place? where does translation take place? golgi apparatus ribosome endoplasmic reticulum nucleus?
Answers
Translation takes place in ribosomes located in the cytoplasm of the cell.
Explanation:Translation is the process of protein synthesis where information coded in the mRNA is used to produce a specific amino acid sequence. It takes place in the ribosomes located in the cytoplasm of the cell. Ribosomes are composed of rRNA (ribosomal RNA) and proteins, and they are responsible for reading the mRNA and assembling the amino acids into a polypeptide chain.
The client asks why lab work is needed prior to starting the medication, nitrofurantoin. what information can the nurse provide to the client?
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Prior lab work will exclude the chance that the organ is damaged before treatment. It also can be used to monitor if there are major adverse effect happens to the patient.
The lab work is required prior to starting the medication of nitrofurantoin because to prevent any kind of organ damage.
Further Explanation:
Antibiotics are discovered by Alexander Fleming. They are clinically significant in eradicating microorganisms on the eukaryotic surfaces by disrupting the peptidoglycan of the bacterial cells and not harming the host cells. Nitrofurantoin is considered an antibiotic that mainly targets the bacteria in the body. This medication is used to treat urinary tract infections. During the pregnancy period, the prescription of this medicine is not given. This medicine is passed into breast milk and affects the baby. This medicine should be avoided when an individual is suffering from:
• Kidney disease
• Diabetes
• Anemia
• Electrolyte imbalance
To prescribe, the nitrofurantoin doctor done some lab tests to check the allergy of this medicine. Also, to check any kind of kidney problem; this is because, in kidney damage, nitrofurantoin should not be administrated.The nurse should check the further consequence of this drug on an individual.
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Answer Details:
Grade: High School
Subject: Biology
Topic: Antibiotic
Keywords:
Kidney damage, electrolyte balance, problem, lab, nurse, prior, damage, nitrofurantoin, drug, avoid, medication, doctor, lab test.
PSYCHOLOGY Assisting in coordination of movement, sleep, respiration, appetite, and facial sensations are functions of the __________. A. pons B. medulla C. cerebellum D. brainstem
Answers
Measles became prevalent only with the emergence of larger urban centers, making it the "disease of civilization."
a. True
b. False
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Final answer:
Measles becoming prevalent with the emergence of urban centers is true.
Explanation:
The statement that measles became prevalent only with the emergence of larger urban centers, making it the 'disease of civilization,' is True. Measles is a classic example of an infectious disease that thrives in larger populations. Measles requires a large contiguous population to keep it going, and it would not have been able to survive in smaller hunter-gatherer groups. The increase in the size and density of human populations in urban areas facilitated the spread of measles and other infectious diseases.
Biomes that are found near the equator or near mountains ranges and have high relative humidity and lots of rain are called A) deserts.
B) rain forests.
C) temperate forests.
D) deciduous forests.
Answers
Answer: B) rain forests.
Explanation:
The tropical rainforests are found near the equator, near mountain ranges and exhibit high humidity and lots of rain. These areas receives maximum sunlight which is responsible for the high temperature in the region because of which the evaporation of the available water body takes place at a faster rate hence result in immense rainfall.
Where else is amylase secreted in the digestive system?
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Salivary amylase is produced in the salivary glands, while pancreatic amylase is produced in the pancreas
A blue mineral named after a word which means blue ?
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I hope that this helps!
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Farmer Brown can harvest 2 1/3 acres of corn in 1 day. how many days will it take hime to harvest 10 1/2 acres of corn?
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The phylum __________ contains both invertebrate and vertebrate groups.
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The phylum chordata has four features that are common to all the members of the group, these are: a notochord, a dorsal hollow nerve chord, pharyngeal silt and post a.nal tail. Both vertebrate and invertebrate organisms are found in the group.
The phylum Chordata contains both invertebrate and vertebrate groups, including fish, amphibians, reptiles, birds, and mammals.
Explanation:The phylum Chordata contains both invertebrate and vertebrate groups. Vertebrates, which have a backbone, are a subgroup within the phylum Chordata. They include organisms such as fish, amphibians, reptiles, birds, and mammals. In addition, the phylum Chordata also includes two clades of invertebrates known as Urochordata (tunicates) and Cephalochordata (lancelets).
Phylum Chordata encompasses animals with distinct features: a notochord, dorsal nerve cord, pharyngeal slits, and a post-an-al tail. Thus, these traits are evident in diverse subgroups like mammals, birds, fish, and amphibians. Chordates exhibit remarkable anatomical diversity, adapting to various environments while sharing a common evolutionary ancestry.
The mineral necessary for the regulation of blood and body fluids is
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n a cross between two heterozygous individuals (eg. Rr X Rr), the expected phenotypic ratio of the offspring would be
A)1:2:2:1.
B)1:2:1.
C)1:1.
D)3:1.
Answers
The expected phenotypic ratio of the offspring is B) 1:2:1.
To understand the expected phenotypic ratio of the offspring from a cross between two heterozygous individuals (Rr x Rr), we can use the Punnett square method. Here, 'R' represents the dominant allele for a trait, and 'r' represents the recessive allele.
When we set up the Punnett square for the cross Rr x Rr, we get the following:
```
R | r
---------
R | RR | Rr
---------
r | Rr | rr
```
From this Punnett square, we can determine the genotypic ratio of the offspring:
- RR (homozygous dominant): 1
- Rr (heterozygous): 2
- rr (homozygous recessive): 1
The phenotypic ratio is determined by the number of individuals that express a particular trait, regardless of their genotype. Since the dominant allele 'R' will mask the presence of the recessive allele 'r' in the heterozygous (Rr) individuals, the phenotypic ratio will be:
- Dominant phenotype (RR and Rr): 1 (RR) + 2 (Rr) = 3
- Recessive phenotype (rr): 1
Therefore, the expected phenotypic ratio is 3:1, which corresponds to option D. However, this is not the correct option for the given question, as the question asks for the phenotypic ratio, not the genotypic ratio.
The phenotypic ratio is actually 1:2:1, which corresponds to the number of offspring with the dominant phenotype (RR, which is 1), the number of offspring with the dominant phenotype (Rr, which is 2), and the number of offspring with the recessive phenotype (rr, which is 1). This ratio reflects the number of different genotypes that will have the same observable trait (phenotype).
The law of _____explains how alleles separate during gamete formation.
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Biology question 3
A single muscle cell can contain dozens of nuclei. Which stage of the cell cycle is the not completing? How do you know?
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A muscle cell contains many nuclei due to cellular fusion, which is the combination of multiple progenitor cells. It does not complete the cytokinesis stage of the cell cycle, which normally leads to the division of the cell and its nucleus into two separate cells.
Explanation:A single muscle cell, known as a myocyte, generally contains many nuclei due to a process called cellular fusion. This process involves the combination of numerous progenitor cells, each with a nucleus, to form a single muscle cell with multiple nuclei.
The stage of the cell cycle that the myocyte is not completing is cytokinesis. Cytokinesis is the phase in which the cell physically divides at the end of mitosis to form two identical daughter cells. If a cell does not undergo cytokinesis, it will not separate, and instead, it may form a cell with multiple nuclei, as seen in muscle cells.
In summary, muscle cells contain multiple nuclei due to the lack of cytokinesis following mitosis, leading to the fusion of multiple cells into a single cell body.
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In cats, black fur color is determined by an x-linked allele; the other allele at this locus determines orange color. the heterozygote is tortoiseshell. what kinds of offspring would you expect from the cross of a black female and an orange male
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Labrador retrievers are black, brown, or yellow. in a cross of a black female with a brown male, results can be either all black puppies, 1/2 black to 1/2 brown puppies, or 3/4 black to 1/4 yellow puppies. how many genes must be responsible for these coat colors in labrador retrievers?
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A hematocrit indicates the percentage of the blood volume occupied by red blood cells. how might your hematocrit change if you moved from a town at sea level to a high mountain village where the air contains less oxygen?
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What is ability of organisms to survive and reproduce on the range of our men to circumstances?
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Mendel had no understanding of DNA as the genetic material, yet he was able to correctly predict how traits were passed between generation. What does Mendel’s work show about the value of scientific observation
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The daily up-and-down movements of organisms in the ocean's water column is called _______.
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The movement of organism in the ocean’s water column is called vertical migration, in the daily up-and-down movement. Vertical migration is the vertical movement or the organism along the water column in response to seasonal, ontogenic, and daily changes. Diel is the most important type of vertical migration.
On earth, why is carbon, which is found in the carbon family, especially important?
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Carbon is crucial for living organisms as it is present in all organic molecules and plays a primary role in the structure of macromolecules. Its importance stems from its bonding properties and energy-containing compounds. However, the burning of fossil fuels has contributed to increased carbon dioxide levels and environmental issues like climate change.
Explanation:Carbon is one of the most important elements to living organisms, as shown by its abundance and presence in all organic molecules. It is the bonding properties of carbon atoms that are responsible for its important role. Carbon is present in all organic molecules, and its role in the structure of macromolecules is of primary importance to living organisms. Carbon compounds contain energy, and many of these compounds from plants and algae have remained stored as fossilized carbon, which humans use as fuel. Since the 1800s, the use of fossil fuels has accelerated, resulting in an increase in carbon dioxide in the atmosphere, leading to environmental concerns such as climate change.
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Jerry is an alcoholic and does not eat enough food. he has been diagnosed with a vitamin deficiency. what blood disorder is the most likely a result of this deficiency? jerry is an alcoholic and does not eat enough food. he has been diagnosed with a vitamin deficiency. what blood disorder is the most likely a result of this deficiency? pernicious anemia hemolytic anemia iron-deficiency anemia aplastic anemia
Answers
Answer:
The correct answer is pernicious anemia.
Explanation:
In the given case, Jerry is most likely to suffer from pernicious anemia as he has been diagnosed with vitamin deficiency. A medical situation in which blood is low in normal RBCs count in known as anemia. One of the vitamin B-12 deficiency anemia is pernicious anemia. It is caused by an incapability to captivate the vitamin B-12 required for the body to produce an adequate amount of healthy RBCs.
What is the apron-like double fold of fatty membrane that hangs down in front of the intestines?
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Public health officials recognize three types of environmental hazards. these are: