A。that is my answer. Maybe it is wrong, whatever, I just make a test
Answer : The percentage of food gives an idea about the food availability for the species of organisms. If the food percentage is high the species is observed to be more successful; on the other hand if the percentage is low the species is found to shrink in numbers. The numbers of particular species is directly proportional to the percentage of food. Also, it shows the options of other food resources on the basis of their availability.
Answer: C. Involves the replication of environmental conditions and human responces to those conditions
Explanation:
I think it's A. They have a cell membrane.
Hope this helps!
