Ecosystems & Biomes Question Preview (ID: 15392)


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Which of these consumers is an herbivore?
a) leopard
b) deer
c) snake
d) owl

In an energy pyramid, which level has the most available energy?
a) third-level consumer level
b) second-level consumer level
c) firs-level consumer level
d) producer level

The step in the water cycle in which water vapor becomes liquid water is
a) nitrogen fixation
b) condensation
c) recycling
d) precipitation

The first organism in a food chain is always a
a) consumer
b) carnivore
c) producer
d) herbivore

What do producers release as a result of photosynthesis?
a) carbon dioxide
b) nitrogen
c) hydrogen
d) oxygen

an insect being carried down a river on a floating leaf is an example of
a) dispersal
b) a desert biome
c) biogeography
d) recycling

a large variety of plants grows in tropical rain forest because
a) many insects live there
b) it has very good soil
c) the forest floor is very dark
d) it is warm, humid, and rainy

Another type of grassland is a(n)
a) savanna
b) desert
c) tundra
d) rainforest

These are two types of decomposers
a) bacteria and insects
b) fungi and insects
c) bacteria and fungi
d) insects and plants

The desert biome receives less than _____ centimeters of rain a year.
a) 30
b) 25
c) 15
d) 20

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