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Ecosystems And Biomes Part 1
Test Description: Part 1
Instructions: Answer all questions to get your test result.
1) Ecologists study feeding patterns to learn how energy flows within a(n)
A
ecosystem
B
speices
C
niche
D
population
2) Organisms that use the sun's energy to turn water and carbon dioxide into food molecules are called
A
consumers
B
producers
C
pioneer species
D
decomposers
3) A diagram that shows the amount of energy that moves from one feeding level to another in an ecosystem is called a(n)
A
succession
B
food web
C
energy pyramid
D
food chain
4) The process of evaporation, condensation, and precipitation make up the
A
nitrogen cycle
B
water cycle
C
carbon and oxygen cycles
D
food web
5) 'Free' nitrogen gas is changed into a usable form of nitrogen in the process called
A
primary succession
B
condensation
C
legumes
D
nitrogen fixation
6) Wind, water, and living things are three means of
A
continental drift
B
decomposition
C
dispersal
D
succession
7) The type of biome that exists in an area is determined by its
A
weather conditions
B
exotic species
C
climate conditions
D
food webs
8) The biome which receives less than 25 centimeters of precipitation a year is the
A
savanna(h)
B
boreal forest
C
rain forest
D
desert
9) An extremely cold, dry land biome is the
A
neritic zone
B
tundra
C
decisuous forest
D
boreal forest
10) Succession is the series of predictable changes that occur over time in a
A
species
B
food chain
C
community
D
population
11) A(n) _____ is a carnivore that feeds on the bodies of dead organisms.
A
recycler
B
dispersaler
C
scavenger
D
decomposer
12) Plants, algae, and some microorganisms make food molecules in the process of
A
photosynthesis
B
cytokensis
C
respiration
D
cytosynthesis
13) The very slow motion of huge blocs of Earth's crust is called
A
plate drift
B
dispersal
C
continental tectonics
D
continental drift
14) Physical barriers. competition, and climate conditions can limit the _____ of a species
A
continental drift
B
dispersal
C
photosynthesis
D
scavenger
15) A(n) ____ is a group of ecosystems with similar climates and organisms.
A
population
B
biome
C
habitat
D
community
16) ________ break down wastes and dead organisms and return raw materials to the environment.
A
consumers
B
producers
C
scavengers
D
decomposers
17) ____ is not recycled in ecosystems.
A
Nitrogen
B
Energy
C
Water
D
Matter
18) Species that have been carried into a new location by people are known as ___________.
A
animal species
B
plant species
C
exotic species
D
pioneer species
19) The study of where organisms live is called _____.
A
Biogeography
B
Biogeology
C
Biology
D
Biotechnology
20) Wolves, foxes, and caribou are typical animals in the __________ biome
A
deciduous forest
B
savannah
C
tundra
D
tropical rain forest
*select an answer for all questions
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