What makes up the central nervous system?

An animal without a body cavity is called

The phenotype frequency in a population changes after each generation, which would most likely be causing this? A. The population is to large. B. Mates are chosen randomly C. Some traits give an advantage. D. All organisms produce one offspring.

Two pea plants are crossed to make 1,000 offspring. All offspring possess long pods and round peas. Long pods (L) are dominant to short pods (l), and round peas are dominant (R) to wrinkled peas (r).

pollution and climate change can cause coral reefs to die. how would the medical field most likely be directly affected if corals became extinct?

Viruses seem to be made of nucleic acid like the DNA shown here, and coated by a layer of A). Starch B). Protein C). Sugar D). Fat

10. Which of the following is not one of the three principal types of faults? A. Strike-slip B. Thrust C. Normal D. Lateral

Wich atom in a water molecule is "greedy" for electrons, giving it a negative charge?

Which of the following have population forecasted to decline

Which are characteristics of natural selection? Select three options. It affects populations. It affects only individuals. It occurs when there is genetic variation. It occurs when organisms are genetically identical.

Which phrase describes the structure of cilia? A. long, whiplike structures B. short, hairlike structures C. stringy extensions on a cell's surface D. thick, fibrous projections