A community can eventually develop from bare rock into a stable mature community where there is little change in the composition of species. this maure community is called

An experiment was performed to study the progress of cells through the mitotic cell cycle. The compounds listed were used one at a time to study their effects on the cell cycle: cytochalasin: an inhibitor of actin microfilament assembly colchicine:

What has uekaryotik cells liver, virus, oak, lactobacillus?

Suppose you have 300 eggs, but only 70% of those eggs progress to become a caterpillar, and only 80% of the caterpillar progress to become an adult butterfly. How many butterflies do you have?

While working with cultured mouse cells, a researcher unknowingly treated the cells with a mutagen that causes the deletion or insertion of individual nucleotides in DNA.

What characteristics of living things best explains why some North American birds fly south for the winter?

A friend believes that studying the genetics of dead organisms offers little benefit to modern-day humans. Do you agree with this statement?

The dropping of leaves in the fall is the tree's response to what stimuli

What word is used to describe the state of the mantle

6. A prokaryote is most likely to use which of the following modes of metabolism to release energy if it is in an environment without oxygen, dies when exposed to oxygen, and uses fermentation? A. Facultative anaerobe B. Heterotroph C.

When a plant starts to reproduce, auxins are released. Also, a large amount of sugar is used to create energy to build reproductive pollen and fruits. Which main plant tissues are working together?