Answer:
The photobiont supplies the association organic carbon from photosynthesis, and the mycobiont ensures protection and regulates the supply of minerals and water. The nutritional exchange between partners is probably much more complex than exchange of water and minerals for organic carbon. Thus, the correct answer is option B.
the major difference between the position of producers and primary consumers in the food chain-
Primary consumers make up the second level of the food chain, while producers make up the third level of the food chain.
Primary consumers make up the last level of the food chain, while producers make up the first level of the food chain.
Primary consumers make up the first level of the food chain, while producers make up the last level of the food chain.
Primary consumers make up the second level of the food chain, while producers make up the first level of the food chain.
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Explanation:
Adaptations generally occur in order to increase the fitness and thus survival of organisms. By being able to adapt to the changing environment, organisms are better able to survive and reproduce. ... Many people are under the impression that species require thousands or even millions of years to adapt.
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Answer:
A bony cage (commonly called the rib cage), which is formed by the sternum, ribs, and spine, protects the lungs and other organs in the chest. The 12 pairs of ribs curve around the chest from the back. Each pair is joined to the bones (vertebrae) of the spine.
Explanation:
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