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Matter And Energy In Ecosystems
Test Description: Cycles
Instructions: Answer all questions to get your test result.
1) The openings in the epidermal layer of a leaf that allow gases to escape
A
mesophyll cells
B
epidermis
C
stomata
D
chlorophyll
2) Cells in a leaf that have open space between them to allow gases to flow through them.
A
epidermal cells
B
palisade mesophyll cells
C
stomata
D
spongy mesophyll cells
3) Plants capture light energy in
A
ribosomes
B
mitochondria
C
chloroplasts
D
nuclei
4) Water molecules are split apart and oxygen is released during the ___ step of photosynthesis
A
second
B
first
5) The second step of cellular respiration occurs in the
A
cytoplasm
B
mitochondria
C
nucleus
D
chloroplasts
6) Organisms that eat other animals are
A
carnivores
B
omnivores
C
detritivores
D
herbivores
7) Often called decomposers, these organisms feed on dead things and break them down.
A
omnivores
B
herbivores
C
carnivores
D
detritivores
8) The amount of available energy decreases every time it is transferred from one organism to another
A
true
B
false
9) The highest trophic level of an energy pyramid is made up of
A
consumers that eat other consumers
B
consumers that eat producers
C
none of the above
D
herbivores
10) Matter does not move continuously through ecosystems
A
false
B
true
*select an answer for all questions
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