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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 mushroom digests and absorbs nutrients from organic matter
B
A hawk eats and digests a mouse
C
A snail scrapes algae off rocks in an aquarium.
D
A sunflower uses nutrients from the soil to make proteins.
2) Homeostasis is maintained in a single-celled organism by the interaction of
A
tissues
B
systems
C
organelles
D
organs
3) The shape of a protein is originally determined by the
A
size of the protein molecule
B
arrangement of amino acids in the protein
C
location of the protein within the cell
D
function the protein must carry out
4) Selective breeding has been used for thousands of years to
A
clone desirable plant varieties
B
produce new varieties of domestic animals
C
develop viruses that protect against diseases
D
develop bacteria that produce human insulin
5) Which characteristic is necessary for natural selection to occur in a species?
A
variation
B
stability
C
complex structures
D
low mutation rate
6) Sexual reproduction in a species usually results in
A
a decrease in biodiversity
B
offspring genetically identical to the parent
C
recombination of genes
D
an increase in the chromosome number in the offspring
7) Which statement describes a function of the human male reproductive system?
A
It produces gametes in testes.
B
It provides support for the development of the embryo
C
It supplies a fluid that protects the fetus.
D
It provides nutrient materials through a placenta.
8) A relationship between a consumer and producer is best illustrated by a
A
snake eating a bird
B
deer eating grass
C
fungus breaking down wastes
D
tree absorbing minerals
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 more consumers than producers.
C
There are interactions between biotic and abiotic factors.
D
Energy is transferred from plants to animals.
10) Which phrase is an example of autotrophic nutrition?
A
an apple tree making its own food
B
a cow eating grass in a field
C
a tapeworm feeding in the body of a dog
D
a mushroom digesting a dead log
*select an answer for all questions
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