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