Which of the following are functions of the urinary system? 1. vitamin d synthesis 2. excretion 3. regulation of red blood cell synthesis 4. regulation of the concentration of solutes in the blood 5. regulation of blood volume and pressure 6. chemical digestion

How do adaptation affect a species?

Abnormal softening of a gland is known as

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils