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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
stomata
C
epidermis
D
chlorophyll
2) Cells in a leaf that have open space between them to allow gases to flow through them.
A
palisade mesophyll cells
B
epidermal cells
C
stomata
D
spongy mesophyll cells
3) Plants capture light energy in
A
nuclei
B
mitochondria
C
ribosomes
D
chloroplasts
4) Water molecules are split apart and oxygen is released during the ___ step of photosynthesis
A
first
B
second
5) The second step of cellular respiration occurs in the
A
chloroplasts
B
mitochondria
C
cytoplasm
D
nucleus
6) Organisms that eat other animals are
A
omnivores
B
detritivores
C
herbivores
D
carnivores
7) Often called decomposers, these organisms feed on dead things and break them down.
A
carnivores
B
herbivores
C
detritivores
D
omnivores
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
herbivores
B
consumers that eat other consumers
C
consumers that eat producers
D
none of the above
10) Matter does not move continuously through ecosystems
A
false
B
true
*select an answer for all questions
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