Chapter 2 Review

In which scientific study would an ecologist take part?

• assess the rabies risk of wild raccoons

• classify three new rain forest insect species

• compare fossilized ant species in amber

• observe how coral colonizes a sunken ship

The region of land - approximately for square kilometers - a jaguar must roam to collect food would be an example of a(n)

• biome

• ecosystem

• habitat

• population

Which is an example of mutualism?

• a fish protecting a shrimp, who builds a burrow for the pair to share

• a peacock courting and mating with a peahen

• crayfish and minnows resting under the same rock

• two snake species with similar markings advertising their toxic venom

Which is part of the biogeochemical cycle?

• carbon being released into soil

• helium gas escaping into space

• lava flowing from an active volcano

• solar radiation traveling to Earth

Which is an example of predation?

• clownfish protecting its anemone

• mallard eating aquatic invertebrates

• tick lodging in the skin of a wolf

• two male rams fighting for females

Which organisms capture atmospheric nitrogen for the process of nitrogen fixation?

• animals

• bacteria

• fungi

• plants

The deciduous forests of the eastern United States is an example of a ____________________.

All of the pumpkinseed sunfish living in a lake are an example of a(n) ____________________.

All coral, other invertebrates, and reef fish on the barrier reef off the coast of Belize are an example of a(n) ____________________.

What are the two main factors in determining a biome?

• temperature and elevation

• elevation and precipitation

• precipitation and vegetation

• temperature and precipitation