Mrs. Lori Havard Ch. 2 Biology

Which task would be completed by an ecologist?

• explore the medicinal uses of nectar

• survey and classify mollusk fossils

• test the effect of cyanide on algae

An example of predation?

• clownfish protecting its anemone

• mallard eating aquatic invertebrates

• tick lodging in the skin of a dog

Weakness of traditional food webs when they are applied to complex ecological problems?

• Food webs does not represent all the links in actual ecosystem.

• Trophic levels are not taken in account.

• the many food chains of a web make it too complicated.

Waste product of the photosynthesis process?

• carbon dioxide

• nitrogen

• water vapor

• oxygen

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

• animals 

• bacteria

• fungi

• plants

All the pumpkinseed sunfish living in a lake...

• population

• biome

• ecosystem

• habitat

The deciduous forests of the eastern U.S.

• population

• biome

• ecosystem

• habitat

All the things in a shallow pool of water...

• population

• biome

• ecosystem

• habitat

All life on the barrier reef off the coast of Belize...

• population

• biological community

• ecosystem

• habitat

Oceans, lower atmosphere, and continents are parts of the....

• cycles

• biosphere

• biomass

• Earth