Enzymes (blank) chemical reactions.

-Speed up

-Don't change

-Slow down

In hamsters, crosses between any two dwarf hamsters always produce both large and dwarf progeny in a ratio of about 1:2 (large : dwarf). Crosses between large hamsters only produce large progeny.

David wants to improve the food shortage situation in his country. Which of these fields of biology should he study?

What is a teratogen? a. a condition resulting from alcohol consumption by the mother during pregnancy b. an abnormality in physiological development c. any agent that can harm the zygote, embryo, or fetus d.

The property of metals to be made into wire is called what?

Gregor mendel's research formed the basis of the field ofgenetics. dominance. recessiveness. selective breeding.

The body of a mushroom is made up of slender filaments called hyphae. xylem. phloem. rhizoids.

Why is latitude an important factor in determining climate

3. How can moss and lichen, which may grow in the beginning of primary succession, potentially make it easier for other organisms to grow and live in the same area later on?

The resource speaks of the atmosphere as if it were living. In the sense that as the earth's surface is heated by the light from the sun, it is heated unequally. Describe how this heat energy is redistributed globally.

A cell has a surface area of 32 and a volume of 8 find the surface to volume ratio of the cell that is predicted to change