Answer:
PARASITISM
Explanation:
Interactions between organisms of same and different species occurs in an ECOSYSTEM. However, this relationship can either be of benefit or loss to the organisms involved. A kind of relationship in which one of the organisms benefits at the detriment of another is called PARASITISM. In a parasitic relationship, the organism that benefits is termed the PARASITE while the deprived organism is termed the HOST.
In this question, the fleas and dog are the involved organisms. The flea attaches to the body of the dog for shelter and sucks its blood for nourishment. The flea benefits from the dog while the dog is deprived of its nutrient. Hence, this kind of relationship can be referred to as PARASITIC RELATIONSHIP where the flea is the parasite and the dog, the host.
Japan is the leading producer of farm-raised shrimp, offering a lower price than Americans who farm or catch shrimp for a living. Shrimp farming requires converting coastline estuaries into holding pens for the baby shrimp to grow in. What will be the long-term consequences for Japan if this industry continues to grow?
A. Increased growth in the near-shore fishing and crabbing industries of Japan
B. Increased estuarine diversity because of new predators
C. Decreased pollution of estuaries and coastal waterways.
D. Decreased number of fish species who use the estuaries
Answer:
D. Decreased number of fish species who use the estuaries
Explanation:
Compared to fraternal twins, identical twins are _____ as likely to develop alzheimer's disease two times equally three times four times
Which of the following is NOT a benefit of GMOs They can resist disease. They require less fertilizer. They grow faster. They create superweeds.
Answer: They create superweeds
Explanation:
The creation of superweed by genetically modified plants is not a benefit of GMOs. Superweed can be defined as the weeds that has become resistant to the effect of herbicides.
These weeds have become a problem for farmers as they occupy the space and nutrient and are also not removed by herbicide.
These weeds are produced by the genetically modified plants and crops which is not a benefit of it.
The one that is NOT a benefit of GMOs is they create superweeds and the correct option is option 4.
Genetically modified organisms (GMOs) offer several potential benefits. They can increase crop yield by making plants resistant to pests, diseases, and environmental stressors. This can help address food security challenges and reduce reliance on chemical pesticides.
GMOs can also be engineered to have enhanced nutritional value, addressing nutrient deficiencies in certain populations. They may require less fertilizer and water, contributing to more sustainable agricultural practices.
Additionally, GMOs can extend the shelf life of crops, reducing food waste. However, it is important to consider potential risks, such as environmental impacts and the need for proper regulation and safety assessments to ensure the responsible and ethical use of GMO technology.
Thus, the ideal selection is option 4.
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A(n) _____ includes all living and nonliving things in an environment.
A. community
B. ecosystem
C. population
D. landform
An ecosystem includes all living and nonliving things in an environment. Hence the correct option is b.
An ecosystem encompasses all living and nonliving components within a specific environment, working together as a functional unit. It includes not only the various plant and animal species (populations) present but also the physical factors such as soil, water, climate, and geological features (landforms) that interact with these organisms. Ecosystems are characterized by the flow of energy and the cycling of nutrients, with different species playing roles in these processes.
For instance, plants capture sunlight and convert it into energy through photosynthesis, herbivores consume plants, and carnivores prey on herbivores, forming complex food webs. Additionally, the nonliving components, like water and soil, influence the distribution and abundance of species. Ecosystems vary in size, from a small pond to a vast rainforest, but they all share the fundamental principle of interconnectedness, where the living and nonliving components interact and influence each other's dynamics. Understanding ecosystems is crucial for ecological studies, conservation efforts, and managing environmental resources sustainably. Hence the correct option is b.
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When no cause is found for recurrent seizures, the animal is said to have symptomatic or secondary epilepsy.
a. True
b. False?
The area of the cortex responsible for visual-spatial functions and awareness is the __________.
Final answer:
The parietal lobe, specifically the visual association cortex areas V2 and V3, is responsible for visual-spatial functions and awareness, working with the ventral and dorsal streams for complex visual processing.
Explanation:
The area of the cortex responsible for visual-spatial functions and awareness is the parietal lobe, specifically within the regions known as the visual association cortex. This area encompasses Brodmann's areas, such as area V2 and V3, which surround the primary visual cortex (area V1). The visual association cortex develops more complex visual perceptions by adding color and motion information and coordinates with the temporal and parietal lobes through two separate streams of processing: the ventral and dorsal streams. The ventral stream identifies visual stimuli and their significance, while the dorsal stream accurately locates objects in space and assists in guiding bodily movements in response to visual inputs.
A pyramid of ________ shows the relative numbers of individual organisms at the trophies levels in an ecosystem
Certain drugs, known as angiogenesis inhibitors, are effective anti-cancer drugs because they cut off the blood supply to tumors. Without blood supplying fresh oxygen and nutrients to the cancerous cells, the tumors cannot survive. Given this information, angiogenesis inhibitors will be least effective in treating tumors in which kind of tissue?
a) epithelial tissue
b) connective tissue
c) nerve tissue
d) muscle tissue
The answer is A, you can't cut the blood supply because the epithelial tissue is on blood vessels and organs, so you can't cut it.
Migration and hybridization between individuals of adjacent populations causes gene ______.
I NEED HELP QUICK, PLEASE !!
Which box depicts the simplest level of organization?
A) P
B) Q
C) R
D) S
Why is classification subject to change?
Classification in biology is ever-changing due to increased understanding of microorganisms, advancements in genetic analysis, and the limitations of existing classification systems. It is constant work to accurately portray organisms' relationships and their true evolutionary history. This is illustrated in the example of the prokaryotic species splitting into Archaea and Bacteria.
Explanation:Classification in biology is subject to change due to our continuously evolving understanding of organisms. This is particularly evident in our ever-changing comprehensions of microorganisms and phylogenetic modeling concepts, as well as advancements in genetic analysis. Many disciplines within biology, including fossil study, DNA analysis, and the study of body part structures, all contribute to building and updating the "tree of life" or, in other words, the classification system used for organisms.
Limitations of classification systems like the Linnaean system are another factor that necessitates changes. Some species can exhibit mimicry and have different forms in different stages of their life, making them difficult to identify based on physical characteristics alone. This is where new models of relationships among organisms become important.
Recent advancement in genetic analysis has challenged some earlier taxonomic classifications. A significant example includes the separation of prokaryotic species into Archaea and Bacteria, due to their vast genetic differences. Therefore, continuous updates in classification are mandatory to reflect true evolutionary relationships.
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Of 111 prisons, only _________ have complete air conditioning.
Penitentiaries managed by the Texas Department of Criminal Justice only 21 out of 111 offer full air conditioning to its convicts. Last summer, four prisoners pass away from heat stroke or hypothermia. This was according to New York Times on June 26, 2012.
Spasms of the face and extremities with slowly waving hands and feet are symptomatic of:
How much does a gallon of blood weigh in pounds?
A gallon of blood usually weigh around 8.34 pounds but can be slightly above.
What is BloodBlood is a vital fluid that circulates throughout the human body, delivering essential substances and removing waste products. It is composed of various components, including red blood cells, white blood cells, platelets, and plasma.
Red blood cells, or erythrocytes, are the most abundant cells in the blood. Their primary function is to transport oxygen from the lungs to the body's tissues and carry carbon dioxide, a waste product, back to the lungs.
White blood cells, or leukocytes, play a crucial role in the immune system. They help defend the body against infections, diseases, and foreign invaders by identifying and eliminating harmful pathogens or abnormal cells.
Platelets, or thrombocytes, are involved in blood clotting. When there is an injury, platelets aggregate at the site and form a clot, preventing excessive bleeding.
Plasma is the liquid component of blood, making up about 55% of its total volume. It is a yellowish fluid that carries nutrients, hormones, antibodies, waste products, and other essential substances throughout the body. Plasma also helps regulate body temperature and maintain proper pH balance.
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________ are the body's primary and most immediate source of energy. fats carbohydrates proteins
All organisms perform _____, whether or not oxygen is present.
A). Glycolysis
B). Aerobic respiration
C). Photosynthesis
D). None of the above
Answer: Glycolysis
Explanation:
Glycolysis is an universal process which takes place in all the organism from bacteria to humans. It can occur whether oxygen is present or not. It is the first step of cellular respiration that takes place in cytosol.
During glycolysis, breakdown of the glucose into pyruvate occurs with the formation of two energy molecules of ATP and two NADH molecules.
Thus, the correct answer is option (A).
Is this statement true or false?
Warm colors in a painting give it s cool, calm or sad mood.
The professional obligation of a nurse to assume responsibility for actions is referred to as:
Visit the website below and use the information to answer the question that follows. On the About Forensic DNA tab, read the sections titled “About Forensic DNA” and “Basics of DNA Typing.” DNA Evidence Basics How can DNA be used to help solve a crime?
Forensic science is a branch of science that uses collected evidence to solve the case it can include the collection of DNA, blood samples, fingerprints etc.
How DNA can be used in solving crimes?DNA or the genetic material of every individual is different and unique. The region that varies in individuals can be employed in forensic sciences to solve the case.Crimes can be solved by DNA profiling that includes matching samples with the suspects or through a DNA database. Samples of hair, blood or hair at the crime scenes can be used for DNA extraction and profiling.Thus, variable sequences of DNA can be used in solving crimes.
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The oxygen end of the molecule has a slightly negative charge while the hydrogen ends of the molecule have a slightly positive charge. The composition and polar covalent nature of water allow water molecules to be attracted to and form _________.
Question 12 options:
Hydrogen bonds with other water molecules.
Covalent bonds with non-polar molecules.
Ionic bonds with free radial ions.
Which area of the brain is the staging area for skilled motor activities?
What is one hypothesis scientists propose as to how habituation benefits an organism?
A primigravid client at 34 weeks' gestation is experiencing contractions every 3 to 4 minutes lasting for 35 seconds. her cervix is 2 cm dilated and 50% effaced. while the nurse is assessing the client's vital signs, the client says, "i think my bag of water just broke." which intervention would the nurse do first?
What characteristics of hair differ in the human population?
which fitness activity is characterized by constant pushing and pulling against resistance? rowing cross-country skiing swimming cycling stair climbing
Answer:
Option A
Explanation:
In Rowing a person pushes or pulls the paddle against the resistance of machine belt
In Gyms , a rowing machine is used for rowing which is a form of cardiovascular exercise that enhances the muscle strength and shape there by making it large and lean.
The work out of upper and lower body is done perfectly by rowing and also it increases the endurance capacity and strength of the body
Hence, option A
The main difference between desert and tundra biomes is _____. moisture content of the air limited topsoil amount of precipitation temperature
Answer:
temperature
Explanation:
DNA replication occurs prior to meiosis and _________.
A. mitosis
B. cytokinesis
C. transcription
Explain why mining soil loss on sloping land is better achieved by measures that retain much of the original vegetation cover rather than extensive clearance followed by replanting
All cells have _____. (Select all that apply.)
an outer membrane or plasma membrane
cytoplasm
a cell wall
a nucleus
protoplasm
large vacuoles
chloroplasts
Final answer:
All cells have a plasma membrane, cytoplasm, and protoplasm. Not all cells have a cell wall, nucleus, large vacuoles, or chloroplasts; these features vary depending on the cell type (eukaryotic or prokaryotic).
Explanation:
All cells have certain components in common. These include:
An outer membrane or plasma membrane: This is a common feature that separates the cell's interior from its surrounding environment.Cytoplasm: A jelly-like substance within the cell where cellular components are embedded.Protoplasm: This term encompasses both the cytoplasm and the nucleus of the cell, including all other components within the plasma membrane.Ribosomes: Present in both prokaryotic and eukaryotic cells, these synthesize proteins.Some structures are not shared by all cells:
A cell wall: While many cells, such as plant cells, do have a cell wall, not all cells, such as animal cells, include this layer.A nucleus: Present in eukaryotic cells but absent in prokaryotic cells.Large vacuoles: Common in plant cells but not typically found in animal cells.Chloroplasts: These are found in plant cells and other photosynthetic organisms but not in animal cells.If the total amount of energy in the producer level ecosystem is 40,000 kilocalories how much energy is available for the first level consumers?
Answer:- 4,000 kilo-calories.
Step-to-step-explanation:-
We know that the ten percent rule says that when energy is passed in an ecosystem from one tropic level to the next then only ten percent of the energy will be passed on.
Given: The total amount of energy in the producer level ecosystem = 40,000 kilo-calories.
Then, the amount of energy in the first level = [10% of 40,000] kilo-calories.
⇒ The amount of energy in the first level =[tex]0.01\times40,000[/tex] kilo-calories.
⇒ The amount of energy in the first level = 4,000 kilo-calories.