What happens to e. coli when lactose is not present?

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.

How did global wind belts and calm regions affect transportation in the past? !

Why are nonvascular plants short and small? they cannot adapt to decreased sunlight. they lack tubes for transport and support. they rely too much on fungi for nutrients. they cannot perform photosynthesis.