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Science Chapter 1D Ecosystems And Biomes
Test Description: Science
Instructions: Answer all questions to get your test result.
1) Organism that captures energy from the sun and stores it as food
A
abiotic
B
producer
C
decomposer
D
consumer
2) nonliving parts of an ecosystem
A
biotic
B
producer
C
decomposer
D
abiotic
3) organisms that break down dead matter into simpler compounds
A
producers
B
abiotic
C
consumers
D
decomposers
4) living parts of an ecosystem
A
biotic
B
food chain
C
abiotic
D
food web
5) feeding relationship between a producer and a single chain of consumers
A
food chain
B
coniferous
C
decomposer
D
food web
6) model of the feeding relationships between many consumers and producers
A
coniferous
B
food web
C
food chain
D
decomposer
7) All living things on Earth uses this element as an important building block in food and living matter
A
oxygen
B
carbon
C
nitrogen
8) Lightning strikes break apart or fix this element
A
oxygen
B
carbon
C
nitrogen
9) What factor is LEAST important in determining plant life in a biome?
A
average annual rainfall
B
average annual temperature
C
type of animals living there
10) What is the process by which water in rivers, lakes, and oceans is converted to a gas?
A
condensation
B
precipitation
C
evaporation
11) Which best describes the components of an ecosystem?
A
biotic and abiotic factors
B
autotrophs and heterotrophs
C
light, water, soil
12) What is the primary source of energy for most ecosystems?
A
carbon
B
sunlight
C
water
13) Which organism is a decomposer?
A
vulture
B
fungi
C
musk ox
14) Plants use this gas as part of the process of photosynthesis to produce sugars
A
carbon
B
carbon dioxide
C
nitrogen
15) Animals can use nitrogen directly from nitrogen gas
A
False
B
True
*select an answer for all questions
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