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.
Advantages:
- It brings a unique species
-muktiple offspring that evolve in a fast time
Disadvantages:
-It takes two people
- It takes time
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The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that B) tropical regions have more available water and higher levels of solar radiation.
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