Some biologists have suggested that overexploitation in the harvesting of some sharks, which are top predators, has caused drastic changes in marine communities. Which of the outcomes would you expect after removal of a top predator from a community?

The model illustrates a process by which a substance is taken up by a cell

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.