Which best describes how air moves during convection? A. Warm air cools as it mixes with cooler, denser air.

B. Cool air warms as it mixes with denser air.

C. Warm air is displaced by cooler, denser air.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Describe the function of the endomembrane system? what organelles are involved?

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior