What causes ocean water to be colder at the poles than at the equator ?

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Which element is found in both dna and proteins