There are no choices but examples of biotic factors are trees, mosses, ferns, fungi, mammals, birds, reptiles, worms, plants, and lichens.
Answer:
To study these moths, Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. The same birds would find the dark moth twice as often if the bark on the tree was light. This supported the idea that dark moths had a survival advantage in a dark forest.
Hypothalamus is the correct answer
Answer:
each chromosome consists of 2 chromatids
Answer:
non renewable
erosion
reforestation
Explanation:
as for the last one I'm not sure but the most effective way or measure is supposed to be reforestation
