Organisms have two homologous chromosomes for every chromosome because:

A. They replicate their chromosomes (DNA) prior to cell division

B. They get one from each parent during fertilization

C. The more the better

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?