A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction. The most popular model that describes muscular contraction is called the sliding filament theory.
Answer:
B. <em>The number of grasshopers would go up.</em>
Explanation:
A. is incorrect because it would decrease
C is incorrect because it would also decrease
D is incorrect because snakes dont eat Hawks, but Hawks eat them
B is <em>correct</em> because since snakes would eat the toads, there would be no toads eating grasshoppers
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Water is in the hydrosphere
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You would have .3 of a chromosome for each new cell
Multi-cellular Heterotrophs
Animals have more than one cell and can't produce their own food