Marking as branliest

1.) what is the relationship between plants and animals in the carbon cycle

a.) plants releases carbon dioxide into the air, and animals breath it in.

b.) animals release carbon dioxide into the air, and plants take it in.

c.) both plants and animals take in carbon dioxide for cellular function.

d.) both plants and animals release carbon dioxide through cellular processes

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16