Selma is creating an aquarium-style coral reef model to teach her students about coral reefs. what should she include in the model? abarren sand and warm, clear, fresh waterb colorful rocks, fake plants, fish, and turbid waterc colorful rocks, fake plants, fish, and warm, clear, saline waterd barren sand, no plants, only fish and warm, clear, fresh water e colorful rocks, fake plants, fish, and cold, clear, saline water

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

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