What must be true for natural selection to happen?

A. The population must be below carrying capacity.

B. Resources must be limited in the ecosystem.

C. There can be no competition for resources

D. There must be no predators in the ecosystem.

Currently, there are no known risks in genetically modifying crop species. TRUE FALSE

What do strips of low-intensity magnetism represent on the ocean floor?

Answer these questions based on what you learned from the lesson. are single-celled organisms with no nucleus. The kingdom is relatively small. Eubacteria are classified by. Coccus are round bacterial cells. Bacillus are rod-shaped bacterial cells.

The principle stating stating that the oldest rocks occur on the bottom of an undisturbed rock sequence is known as

Thousands of species of organisms live in one square mile of tropical rain forest. Which statement is true about those organisms? They all share the same predators. They are all part of the same population. They are all a part of the same community.

In beetles, the gene for color and the gene for pattern are located on the same chromosome and exhibit recombination.

Nucleic acids are composed of monomers called?

Cyclic amp (camp) stimulates one's metabolic rate. many supplement companies offer products claiming to increase the levels of this chemical within the body.

Injecting a person with a killed-bacteria vaccine can protect that individual from a disease because the proteins of the bacteria: A) remain in the body and live bacteria later prey on them instead of live tissue B) blind with receptors in the body,

Consider two cells, A and B. Both are approximately spherical, but cell A is a bacterium with a diameter of only about 1 µm, while the diameter of the eukaryotic cell B is about 10 µm.