Why are wetlands important to the health of the overall environment? a. they reduce the levels of erosion by trapping sediment. b. they support a wide variety of organisms. c. they are a medium for the filtration and cleansing of water. d. all of the above are true.

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

Which feature of a human community is similar to a niche in a biological community