Answer:
darwinism
Explanation:
also known as survival of the fittest
he studied birds and how they had adapted to their climates and surroundings.
The first answer Is A and the second answer is also A
A Cell wall is what it says. It is a wall. Nothing is allowed to pass through. A Cell membrane on the other hand is like screen door. It has "Pores" that allow materials in and out.
The correct answer choice is D. Production of ethanol
Ribosomes are the structure upon which messenger RNA is attached to synthesize a protein. If the protein is to be exported, the ribosomes are attached to the endoplasmic reticulum. The nucleus contains the DNA from which the m-RNA is synthesized.