A cow will eat grass in a field, the grass is the plant and the plant eater is the cow. (Srry if this is not what your looking for)
Answer:
There are many way's we change local ecosystems one way is urbanization.
Explanation:
If the human race keeps building on more land ecosystems will die out and animals will become extinct.
The green sample possibly contains algae or some other sort of bacteria
Answer:
the brain helps with moving our limbs and bones such as how im typing this, it helps us remember to blink and breathe and keep our heart pumping blood.
Explanation:
im not actually sure if this is right but i tried, im sorry if its wrong
