What is the purpose of the kidney in the vertebrate?

A) digestion

B) respiration

C) filters waste

D) transport blood

What is histones in dna used

If scientists are studying the ergets, herons, marsh crabs, and cordgrass, but not water or rocks in a salt marsh, what level of organization would they be studying?

Compare and contrast the host tree and the parasite tree. Where do they match up? What are the differences?

Strobe lighting tends to create hot spots and can make a portrait uncomfortable for the individual. True or false.

Based partially on his comparative studies of the fossils of woolly mammoths and the bones of modern-day elephants, Georges Cuvier proposed several new ideas about the history of life on earth.

What could a dog living now and a car living thousnads if years ago have in common

The process of transducing air pressure waves into neural messages that the brain interprets as meaningful sound is known as

Why does photosynthesis require water? a. because water provides oxygen atoms. b. because water provides electrons. c. because water accepts electrons. d. because water acts as a catalyst.

An education guess or rational explanation about a specific phenomenon

What are the technical name for red blood cells white blood cells and platelets?