Biology ch.18 quiz

What are three abiotic factors account for the rarity of trees in artic tundra?

1.permafrost 2. Very cold winters 3. High winds

Which of the following search creatures might be described as a pelagic animal of the aphotic zone?

A deep-sea squid

What human activity is responsible for the greatest amount of deforestation?

Agriculture

What is the greenhouse effect? And how is it related to global warming?

CO2 and other gases in the atmosphere absorb heat energy radiating from Earth and reflect it back toward Earth. As CO2 increases, more heat is retained, causing global warming

We are on a coastal hillside on a hot, dry summer day among evergreen shrubs that are adapted to fire. We are most likely standing in a ______________ biome.

Chaparral

Name several abiotic factors that might affect the community of organisms living inside a home fish tank.

Light, water temperature,chemicals added

Place these levels of ecological study in order, from the least to the most comprehensive: community ecology, ecosystem ecology, organismal ecology, population ecology.

Organismal ecology Population ecology Community ecology Ecosystem ecology

The formation of goose bumps on your skin in cold weather is an example of an ___________ response, while seasonal migration is an example of a ____________ response

Physiological, behavioral

The recent increase in atmospheric CO2 concentration us mainly a result of an increase in

The burning of fossil fuels and wood