Which cells form the stomata?

a. sieve cells

b. guard cellswhat are the loosely packed photosynthetic cells in the leaf called?

a. epidermis

b. guard cells

c. spongy mesophyll

d. palisade mesophyll

c. phloem cells

d. mesophyll cells

What energy transformation occurs when a car stereo on

A male and female bison that are both heterozygous for normal skin pigmentation (Aa) produce an albino offspring (aa). Which of Mendel's principles explain (s) why the offspring is albino? a. dominance only c. dominance and segregation b.

Loggerhead sea turtles eat a variety of things including vegetation, jellyfish, and crabs. Young loggerheads have many predators, but the large adults are generally safe from all except large sharks and seals.

The positions of the constellations appear to change throughout the year because

Choose from the following all that blood plasma contains. protein water nutrients blood platelets waste materials minerals clotting factors white blood cells

What pumps oxygen-rich blood to the body? A. Right Atrium B. Right Ventricle C. Left Atrium D. Left Ventricle

To be useful in science a hypothesis must be

How did Alexander Fleming's research solve a societal problem? He developed ways to treat inherited diseases. He advocated for regular hand washing to kill germs. He discovered a new type of medicine that could treat infections.

Which best describes the process of peer review? A. Scientists examine each other's work to make sure it is not biased or unreliable. O B. Scientists prevent other scientists from seeing their experimental data C.

Which is the next structure to contact air after it passes from the nose to the nasal cavity?