Question

13.
Give two differences between food chain and food web.
Mention one function for each of these hormones
a) Thyroxin
b) Insulin
c) Adrenaline
d) Testosterone


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Answer 1

1. the food chain means the animals depend on each other eg loin depends on goat it depends on grass•functions of thyroxin is regultes of respiration; insulin maintains blood glucose levels:adrenaline helps to face the stress full situations: testosterone helps metabolism of carbohydrates protines and facts•