Question: Which term refers to all areas of Earth where life exists?

biosphere

biome

community

ecosystem

Answer: Biosphere

Question:

Answer: It may lead to the loss of potential medicines, foods, and products.

Question:

Answer: dead bird

Question: How do limiting factors most affect population size?

stop population growth

restrict population growth

increase population size

result in positive impacts

Answer: restrict population growth

Question:

Answer: There is a relationship among all living things on the earth.

Question:

Answer: A parasitic bacteria contaminated her food.

Question:

Answer: an introduced species that devastates native plants as it feeds

Question: Barnacles and whales have a commensalistic relationship in which barnacles benefit. What would most likely happen to the whale population if the barnacle population decreased?

become extinct

decrease

increase

stay the same

Answer: stay the same

Question:

Answer: every ecosystem in the area.

Question: A conservation biologist has determined the status of the ecosystems in a protected area, as shown in the table below. Based on the table, which part of the pie chart represents secondary succession?

Answer: segment C