Photosynthesis occurs when a. plants absorb energy from carbon dioxide b. plants absorb energy from sunlight c. oxygen concentration in the atmosphere increases d. all of the above select the best answer from the choices provided a b c d

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?