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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
D. need oxygen gas to breathe
D
A. have organ systems
2) Why are nonnative species often considered a disturbance in an ecosystem? BIO.B.4.2.4
A
a. They increase mutations.
B
c. They have special growth needs.
C
b. They compete for resources.
D
d. They cause increased biodiversity.
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
competition
B
symbiosis
C
predation
D
parasitism
4) Which example describes a mutualistic relationship between organisms? BIO.B.4.2.2
A
Ants protect a tree on which they feed
B
Tapeworms feed on food in the intestines of cats
C
Crabs eat the remains of dead fish
D
Young wasps prey on caterpillars
5) The function of which human organ is most like the cell walls of bacteria?
A
Liver
B
Skin
C
Heart
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
High Specific Heat
D
Solubility
7) Which characteristic is shared by all prokaryotic and eukaryotic organisms?
A
The ability to make their own food
B
The ability to reproduce asexually
C
The need for oxygen for respiration
D
The need for a source of energy
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
Tissue
B
Organelle
C
Organ System
D
Cells
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 solid at room temperature
B
Carbon can form four covalent bonds
C
Carbon oxidizes to carbon dioxide
D
Carbon is a nonmetal
10) Plants cells use sunlight to make their own food. Which structure allows plant cells to perform this function?
A
Mitochondrion
B
Vacuole
C
Chloroplast
D
Nucleus
*select an answer for all questions
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