Which one of the following statements is accurate?

a. compound light microscopes utilize lenses and beams of electrons to produce images.
b. electron microscopes focus beams of light using magnetic fields.
c. electron microscopes are tools used to study living organisms when they're alive.
d. false colors are added to images to make some structures more noticeable.

Which sentences describe the logistic growth model? there are three different phases of the s-shaped curve. at first, growth is exponential because individuals are few and resources are plenty. this growth model occurs in a situation where resources are plenty and individuals are few to consume the resources. population growth decreases as resources become limited. when a population size reaches the carrying capacity of its environment, the population growth slows down or stops completely. the model looks like a j-curve.