Energy inefficiency is a. biological phenomena. b. the balance on nonrenewable sources of energy around the world. c. an ecological system cycle. d. the wasting of precious nonrenewable sources of energy.

Although there are a limited number of amino acids many different types of proteins exist because..

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

What does it mean for a cell membrane to be selectively permable