7'10 Earth Science Unit 9 Ecology Formative 19-20 / 4 of 10
Which action creates competition between environmental concerns and economic gains?
A. protecting endangered wildlife
B. reintroducing wildlife into their natural habitats
C using forest land to build homes
D. using city buses for transportation

Anne, an intern in a microbiology lab, was observing the characteristics of various specimens of protists. match each specimen to the category of protist to which it belongs.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.