Answer:
Population density. Population distribution.
Explanation:
D. Gene splicing. They remove specific genes in order to create a transgenic organism.
Typically you use experimental and control groups in an experiment. a control group is like the default, and the experimental is the one you actually experiment with.
for example if i run an experiment on the effects of food dye on a leaf stem, i’ll have my control group (the ones without food dye) to compare to the experimental group (the ones with food dye)
the control group is a way for scientists to see how an experiment truly affected or altered the subject
Answer:
Both the smooth and rough endoplasmic reticulum help in the production and storage of proteins The main difference is that one contains ribosomes on it and the other does not. The rough endoplasmic reticulum (RER) has ribosomes on its surface. This is what give the rough endoplasmic reticulum a "rough" appearance.
Explanation:
C) Things need to keep moving about and sexual selection allows for preference towards a particular "look". Just going with instinct