Answer:
B. Changing muscle length.
Explanation:
Isometric exercises are stationary/static forms of exercise. They include contractions of the muscle without the movement of the affected joints. There is no change in length of the muscles since the joints are static.
This exercise is best fitted for strength maintenance. Examples include squatting,prayer and yoga pose etc.
I think that this is what you're looking for but I'm not sure:
<span>Kingdom: Animalia<span>
</span>Phylum: Chordata<span>
</span>Subphylum: <span>Vertebrata</span><span>
</span>Class: <span>Mammalia</span><span>
</span>Subclass: Theria<span>
</span>Infraclass: <span>Eutheria</span><span>
</span>Order: <span>Primates</span><span>
</span>Suborder: <span>Anthropoidea</span><span>
</span>Superfamily: Hominoidea<span>
</span>Family: Hominidae<span>
</span>Genus: <span>Homo
</span>Species: <span>sapiens</span></span>
The answer is; D
This is referred to as co-evolution. It involves the reciprocal evolution of 2 species. This kind of evolution can be seen in mutualism (like the choices described above), and also predator-prey, host-parasite relationships. The term co-evolution was coined by Paul R. Ehrlich and Peter H. Raven in 1964.
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