Nutrients move through ecosystems in different ways. Which nutrient cycles through organisms, rivers, rain, and the atmosphere?

What industry uses most of the groundwater pumped every year

Which theory states that the more recent species are changed descendants of earlier species?

What prediction can be made about how the distribution of coral reef populations would be affected if the oceans in which they live were to experience significantly more cloudiness of the water?

On Long Island, New York, a population of wall lizards that originated from a group in Italy is present. Several had been imported to be sold as pets many decades ago, and some escaped and started a new population in this suburban area.

Methamphetamines are a type of drug that affects the brain by A. causing the release of excess dopamine. B. blocking the production of dopamine. C. increasing the number of dopamine receptors. D. increasing the number of synapses in the brain.

Rna polymerases join nucleotides through what kind of bond?

Which is NOT a function of the human stomach? A) stores food for short period of time B) breaks up food physically and chemically C) receives food from your mouth directly after swallowing D) HCl produced inside the stomach to aid in digestion

What is a recessive gene? a. The gene that displays itself. b. The hidden gene. c. The gene that is dominant.

Much of the fluid that moves across capillary walls and into the tissues moves as a result of filtration, forced by blood pressure. o2 on the other hand travels from the capillaries into the tissues as a result of what?

Which organisms are extremely small and use hosts as both home and food supply