Which of these would be a characteristic of an organism in the kingdom animalia? a) consumer b) producer c) cell walls d) photosynthesis

the answer is d (apex) good luck : ))

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

is this a question? wassup