Which characteristic do sea cucumbers have that makes them different from sea urchins? tentacles for feeding tube feet for movement teeth-like structures for digesting endoskeleton for protection

Ecology can best be described as the study of what

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land