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Biology Review 1
Test Description: Test prep
Instructions: Answer all questions to get your test result.
1) Studying fossils provides evidence for evolution because fossils
A
(2) can show patterns of biological change over time
B
(1) take a long time to form
C
(3) always contain complete DNA sequences
D
(4) found in the same area are usually closely related to each other
2) Which statement best describes the interactions between the structures found within a singlecelled organism?
A
(3) They must act independently of each other and prevent homeostasis.
B
(2) They prevent homeostasis from damaging the cell.
C
(4) They carry out the same life process in order to maintain homeostasis.
D
(1) They allow the organism to maintain homeostasis.
3) Sexually reproduced offspring have traits similar to their parents because they receive
A
some of the proteins from both parents
B
some of the genes present in each parent
C
all of the genes present in both parents
D
all of the proteins from each parent
4) Which row in the chart below correctly pairs a group of organisms with the type of nutrition they carry out?
A
a
B
d
C
b
D
c
5) Which row in the chart below correctly pairs a group of organisms with the type of nutrition they carry out?
A
(2) decomposers carnivores
B
(3) herbivores producers
C
(1) carnivores herbivores
D
(4) producers decomposers
6) Rubber usually comes from petroleum or from the Asian rubber tree plant. Scientists have modifi ed a single trait in the domestic plant, guayule, to increase its ability to produce rubber for commercial use. Young guayule plants are shown in the phot
A
genetic engineering to alter a specifi c gene
B
selective breeding of two similar plant varieties
C
fertilizing the plants with key substances found in petroleum
D
genetic recombination during sexual reproduction
7) A response of a normally functioning immune system that can be harmful is
A
A response of a normally functioning immune system that can be harmful is
B
fi ghting off a bacterial infection
C
recognizing chemical signals
D
rejecting an organ transplant
8) Which molecules are normally found in single-celled organisms?
A
c
B
a
C
b
D
v
9) Killer whales are an endangered species
A
d
B
b
C
c
D
a
10) A biotechnology tool, known as CRISPR-Cas9, allows scientists to precisely edit genes. In order to edit genes, CRISPR-Cas9 must be able to
A
a
B
d
C
b
D
c
*select an answer for all questions
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