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Armt Review 6
Test Description: 7th grade Science Armt Review
Instructions: Answer all questions to get your test result.
1) Which statement describes a species variation that could be created by interspecies interaction?
A
A mutation in a gene sequence produces a new trait in an azalea plant.
B
An iguana stores fat in its tail in preparation for a season of less food.
C
A blue butterfly species fools an ant species into caring for its larvae.
D
Two species of rodent in geographically distant deserts ahve nearly identical adaptations.
2) A scientist places a plant cell in a solution of salt water. In a short time, the size of the plant cell shrinks. Which structure plays th greatest role in making this happen?
A
Cell membrane
B
Cell wall
C
Chloroplast
D
Cytoplasm
3) Which function does the uterus serve in mammalian reproduction?
A
To protect an egg as it travels away from the ovary
B
To hold the offspring as it develops in the body
C
To serve as a sit for the fertilization of an egg
D
To produce the egg cell before its release from the ovary
4) Which statement best describes a difference between animals and plants?
A
Animals rely on plants for nutrition and plants eat animals for nutrition
B
Animals are single-celled and plants are mulicellular.
C
Plant cells have chloroplasts and animal cells do not.
D
Animals reproduce asexually, and plants reproduce sexually.
5) Plants need carbon dioxide and sunlight to produce energy. These are BEST described as
A
biotic factors
B
abiotic factors
C
dietary factors
D
climate factors
6) Which statement best describes the heart?
A
The heart is made of smooth muscle.
B
The heart is made of skeletal muscle.
C
The heart is not made of any muscle.
D
The heart is made of cardiac muscle.
7) A scientist discovers a new species of mammal that has 30 chromosomes in its skin cells. How many chromosomes are found in the mammal's reproductive cells?
A
60
B
30
C
15
D
10
8) Which organ is not functioning correctly if an individual is unable to compact waste or reabsorb liquid from undigested food?
A
esophagus
B
small intestine
C
large intestine
D
stomach
9) Which best describes how the small intestine and circulatory system work together?
A
The small intestine filters toxins from the blood.
B
The blood absorbs the nutrients from the small intestine.
C
The small intestine removes the water from the blood.
D
The blood gets oxygen from the small intestine.
10) A patient develops a problem with the alveoli of the respiratory system. Which function of the respiratory system will most likely be affected?
A
the ability to carry air from the nose to the lungs
B
the ability to filter dust and other particles of air
C
the ability to exchange gases with the bloodstream.
D
the ability to pull air deep into the lungs
*select an answer for all questions
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