1. is (A) because mouse and deer are not in the same ecosystem.
2.is (D) because both antelope and domestic cattle do not affect each other.
3. is (B) because food is important factor.
4.is (C) because without home it is not possible to adapt in an ecosystem.
        
             
        
        
        
Answer:
C) Thick layers of tall trees and a lot of moisture
Explanation:
A and B are incorrect as those are not correct descriptions of a Rain Forest.
D at first seems like the best answer but it is describing a Wetland.
Therefore the correct answer is C.
 
        
             
        
        
        
Answer:
A feathered penis destined to die  In a single flight, the queen can mate with up to 20 drones and store  material would describe how Imhoff and his team succeeded to film bees for 36 stunning seconds of increased macro video... Information about cookies.
Explanation:
 
        
             
        
        
        
The answer should be the third option "number of protons and neutrons." The atomic mass of a element is equal to the amount of protons, and neutrons added together in that element. So for example if we are trying to find the atomic mass of hydrogen you would add the total amount of protons and neutrons together to find it's mass although it doesn't equal the exact amount of it's mass but it's close.
Hope this helps.