Which of the following statements is true? all the populations in the ecosystem form the community. a habitat represents all the biological factors in an ecosystem. only one population can live in a habitat at a time.

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

In sheep, the allele for belly fur (a) is dominant to the allele for no belly fur (a). a mother with the genotype aa and a father with the genotype aa produce an offspring.

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real