Ecosystems And Ecology Question Preview (ID: 49855)


Review Of Ecosystems Unit. TEACHERS: click here for quick copy question ID numbers.

Why do grasslands have a low population of trees?
a) high temps and low precipitation
b) large grazers destroy trees
c) long rainy seasons with floods
d)

How are photosynthesis and respiration related?
a) the products of respiration are used by photosynthesis
b) the exchange of oxygen and carbon dioxide are part of photosynthesis
c) the products of photosynthesis cannot be used elsewhere
d)

Water that flows into oceans comes from
a) rivers
b) resevoirs
c) ponds
d)

Which population in an energy pyramid has the MOST energy available?
a) plants
b) animals
c)
d)

Which organisms in an energy pyramid have the LEAST energy available?
a) animals
b) plants
c)
d)

Dry climates favor great dry grasslands called
a) savannas
b) deserts
c) forests
d)

This organism demonstrates a parasitic adaptation.
a) leech
b) earthworm
c) spider
d)

If there is building near a loggerhead turtle nest, what will happen to the nest?
a) it will be disturbed
b) they will move
c) it will be left alone
d)

What role does a mushroom play in the community?
a) decomposer
b) producer
c) consumer
d)

What kinds of trees lose their leaves?
a) deciduous
b) evergreen
c) nonvascular
d)

What is causing extinction of species in Madagascar?
a) deforestation
b) global warming
c) acid rain
d)

Most trees in Denali Alaska are evergreen spruce. The soil is rich. What biome does this describe?
a) taiga
b) tundra
c) arctic forest
d)

Rabbits live in a meadow where grass plants are readily available, but fire destroys the meadow. What will happen to the rabbit population??
a) decrease in size
b) increase reproduction
c) switch to a different kind
d)

Which is an abiotic factor in an aquarium?
a) water
b) fish
c) plants
d)

Which of the following is a nonrenewable resource?
a) coal
b) air
c) soil
d)

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