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Keystone Biology Review 1
Test Description: Review for Keystone Exam 1.
Instructions: Answer all questions to get your test result.
1) Which characteristic is shared by both prokaryotes and eukaryotes?
A
C. contain genetic material
B
B. make their own food
C
A. have organ systems
D
D. need oxygen gas to breathe
2) Why are nonnative species often considered a disturbance in an ecosystem? BIO.B.4.2.4
A
a. They increase mutations.
B
d. They cause increased biodiversity.
C
b. They compete for resources.
D
c. They have special growth needs.
3) A species of snapping turtles has a tongue that resembles a worm. The tongue is used to attract small fish. Which best describes the interaction between the fish and the snapping turtle?
A
predation
B
parasitism
C
symbiosis
D
competition
4) Which example describes a mutualistic relationship between organisms? BIO.B.4.2.2
A
Crabs eat the remains of dead fish
B
Ants protect a tree on which they feed
C
Young wasps prey on caterpillars
D
Tapeworms feed on food in the intestines of cats
5) The function of which human organ is most like the cell walls of bacteria?
A
Heart
B
Liver
C
Skin
D
Pancreas
6) Which of the following is a property of water that allows an insect to walk on the surface of water?
A
Cohesion
B
Low Freezing Point
C
Solubility
D
High Specific Heat
7) Which characteristic is shared by all prokaryotic and eukaryotic organisms?
A
The need for oxygen for respiration
B
The ability to make their own food
C
The need for a source of energy
D
The ability to reproduce asexually
8) Life functions are performed at many levels of biological organization. Which level of biological organization is the simplest level at which a structure can support life function?
A
Organ System
B
Organelle
C
Cells
D
Tissue
9) Cells are largely made of organic compounds that contain carbon. Which property of the carbon atom makes it an essential component of organic compounds?
A
Carbon is a nonmetal
B
Carbon oxidizes to carbon dioxide
C
Carbon can form four covalent bonds
D
Carbon is solid at room temperature
10) Plants cells use sunlight to make their own food. Which structure allows plant cells to perform this function?
A
Nucleus
B
Mitochondrion
C
Vacuole
D
Chloroplast
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