If the tubes of the tracheal system in insects were longer, this would a. allow oxygen to reach the cells faster b. slow down the rate of diffusion c. leave room for a ventilation system d. cause oxygen to reach the cells more slowly

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called