Which is true regarding all x-linked disorders? a)they result in a longer lifespan
b) they are caused by mutations of the x chromosome
c) they are linked to an unknown chromosome
d) they are disorders that effect only women

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.