3.3 & 3.4 Review Question Preview (ID: 14157)

Ecology Review.

Compared to land, the open oceans
a) have less zooplankton.
b) contain unlimited nitrogen.
c) are nutrient-poor environments.
d) are rich in silica and iron.

All the interconnected feeding relationships in an ecosystem make up a food
a) interaction
b) chain
c) network
d) web

The total amount of living tissue within a given trophic level is called the
a) organic mass
b) trophic mass
c) energy mass
d) biomass

Carbon cycles through the biosphere in all of the following processes EXCEPT
a) photosynthesis
b) transpiration
c) burning of fossil fuels
d) decomposition of plants and animals

The movements of energy and nutrients through living systems are different because
a) energy flows in one direction, and nutrients recycle.
b) energy is limited in the biosphere, and nutrients are always available.
c) nutrients flow in two directions, and energy recycles.
d) energy forms chemical compounds, and nutrients are lost as heat.

When water is absorbed into the ground, this process is
a) precipitation
b) evaporation
c) taken up through transpiration
d) becoming groundwater

Only about 10% of the energy in a trophic level is available to organisms in the next trophic level
a) True
b) Fals
c) Not me
d) Not me

Aquatic ecosystems can receive a large input of a limiting nutrient from the runoff from heavily fertilized fields
a) False
b) True
c) Not me
d) Not me

An organism that uses inorganic chemicals to make their own energy are
a) Photosynthetic
b) decompsers
c) chemosynthetic
d) scavengers

What are bacteria?
a) Producers
b) Consumers
c) Scavengers
d) Decomposers

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