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Final Review For Living Env
Test Description: Answer these questions!
Instructions: Answer all questions to get your test result.
1) Which statement describes an activity of a decomposer?
A
A sunflower uses nutrients from the soil to make proteins.
B
A mushroom digests and absorbs nutrients from organic matter
C
A snail scrapes algae off rocks in an aquarium.
D
A hawk eats and digests a mouse
2) Homeostasis is maintained in a single-celled organism by the interaction of
A
tissues
B
organs
C
organelles
D
systems
3) The shape of a protein is originally determined by the
A
function the protein must carry out
B
location of the protein within the cell
C
size of the protein molecule
D
arrangement of amino acids in the protein
4) Selective breeding has been used for thousands of years to
A
produce new varieties of domestic animals
B
develop viruses that protect against diseases
C
develop bacteria that produce human insulin
D
clone desirable plant varieties
5) Which characteristic is necessary for natural selection to occur in a species?
A
variation
B
stability
C
low mutation rate
D
complex structures
6) Sexual reproduction in a species usually results in
A
an increase in the chromosome number in the offspring
B
a decrease in biodiversity
C
offspring genetically identical to the parent
D
recombination of genes
7) Which statement describes a function of the human male reproductive system?
A
It produces gametes in testes.
B
It provides nutrient materials through a placenta.
C
It provides support for the development of the embryo
D
It supplies a fluid that protects the fetus.
8) A relationship between a consumer and producer is best illustrated by a
A
snake eating a bird
B
fungus breaking down wastes
C
tree absorbing minerals
D
deer eating grass
9) Which statement represents a characteristic of an ecosystem that is not likely to sustain itself?
A
The Sun provides the needed energy.
B
There are interactions between biotic and abiotic factors.
C
Energy is transferred from plants to animals.
D
There are more consumers than producers.
10) Which phrase is an example of autotrophic nutrition?
A
an apple tree making its own food
B
a tapeworm feeding in the body of a dog
C
a cow eating grass in a field
D
a mushroom digesting a dead log
*select an answer for all questions
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