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Extend II Biology Review 1
Test Description: Extend II biology review
Instructions: Answer all questions to get your test result.
1) Which process release the most ATP?
A
fermentation
B
.
C
photosynthesis
D
aerobic respiration
2) which best represents a long-term energy storage molecule in animals?
A
cholesterol
B
cellulose
C
glycogen
D
.
3) why is the classification system of organisms continually changing?
A
because scientist are finding new ways to compare organisms
B
because all orgainsims are cometeing for the same resources.
C
because all organisms are close to becoming extinct
D
.
4) Which statement best describes natural selection?
A
,
B
living organisms develop from other living things
C
organisms adapted to their environment can survive and pass trait to offspring.
D
acquired characteristics are inherited from parent to offspring
5) Scientist think that the first forms of life on Eaqrth were anaerobic. Which supports this theory?
A
the temperatures of early Earth were warmer than they are today
B
the ozone layer of early Earth was very thin
C
.
D
the atmosphere of early Earth contained very little oxygen.
6) which base bonds with adenine in DNA?
A
.
B
cytosine
C
uracil
D
thymine
7) What will most likely happen if the human population continues to grow at the current rate.
A
there will be a decrease
B
there will be fewer natural resources available.
C
there will be a decrease in endangered specied
D
.
8) which substance (biomolcule) provides instructions for producing proteins?
A
DNA
B
.
C
H2O
D
ATP
9) What are the main molecules that make up muscle fibers?
A
lipids
B
proteins
C
carbohydraes
10) If related organisms are found to have some of the same enzymes and hormones which can most likely be concluded?
A
the organisms may eat the same foods
B
these orgrisms may live in similar environments
C
these organisms may share a common ancestor
D
.
*select an answer for all questions
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