B. Backbone
C. Gills
D. Muscles
The shell
They use it to protect their muscles from predators and support soft tissues found on the inside.
Answer:
The nitrogenous based in DNA are as follows; Adenine (A), Guanine (G), Cytosine (C) and Thymine (T).
Adenine pairs with Thymine (AT) and Cytosine pairs with Guanine (CG):
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Answer:
it can be grouped as purines adenine guanine pyrimidine cytosine and thymisine these nitrogeneois base are attached to C1' of deoxyribose through glycosibic bond
Answer: 10%
Explanation:
It is determine by the combination of efficiencies associated with organismic resource Acquisition and assimilation in an ecosystem.so the amount of energy at each tropic level decreases when it goes to the next level via ecosystem. As little as 10% of the energy at any tropic level is transferred to the next level, remaining energy is lost due to the metabolic process in the form of heat.
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