What is a possible reason for the australopithecus skull to evolve into the neanderthal skull? a) the skull had to change to account for the change in posture. b) the skull had to change because the facial bones changed first. c) one possible reason for the change is to account for a bigger brain size. d) the skull had to change for the growing differences in environmental conditions.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!

What is the tern used to describe an individual that of a recessive allele that causes disease,but is otherwise healthy? a.carrier b.polycite c.target d.afflicted

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.