Explain why autotrophs depend on photosynthesis to get the energy they need.

Cells continually generate carbon dioxide and must get rid of it. the mechanism whereby carbon dioxide moves out of the cell is called

Which of the choices below explains why the arterioles are known as resistance vessels?

What section of the large intestine is associated with the appendix?

Given the end results of the two types of division, why is it necessary for homologs to pair during meiosis and not desirable for them to pair during mitosis?

During what process would the OCA2 gene be copied in an individual? a. replication. c. translocation. b. translation. d. transformation.

Explain griffith's experiment and the concept of transformation

During what process in the cell cycle does one cell become two cells?

All BUT one description applies to the structure of RNA. That is A) four nitrogenous bases. B) double-stranded molecule. C) contains a phosphate group. D) 5-carbon sugar called ribose.

Although a fetus is relatively protected in its mother's womb, a number of different toxins can harm the fetus. These include lead, mercury, glycol ethers, and many other substances. How do toxins usually reach the developing fetus

What is an abiotic factor of a marine ecosystem? A). Food produced B). Temperature change as you go deeper into the ocean C). Reproduction of animals