It would be the 3rd option: Reaction to a stimulus helps maintain homeostasis.
Do you need an explanation?
Answer: True
Explanation: The Achilles tendon is the largest and the strongest tendon in the body. When the calf muscles flex, the Achilles tendon pulls on the heel. This allows us to stand on our toes when walking, running, or jumping.
Answer: The answer is C, a monohybrid cross.
Explanation:
A dihybrid cross would be crossing 2 (usually linked) traits in the same punnett square, while a trihybrid cross is with 3 traits. Since he's only studying 1 trait (tall vs. short) the answer is C, a monohybrid cross.
A tree's mass is mainly biomass. During photosynthesis plants, the carbon is used to transform the Sun's energy into chemical energy that is captured in the bonds of carbon molecules made of atmospheric carbon dioxide and water
