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Biology Semester Review 6
Test Description: AGS Biology
Instructions: Answer all questions to get your test result.
1) During cellular respiration, organisms produce _____.
A
oxygen
B
carbon dioxide
C
carbon
D
nitrogen
2) The less energy available to a population, the _____ population will be.
A
smaller
B
stronger
C
weaker
D
larger
3) All plants and animals depend on energy from the _____.
A
biome
B
ocean
C
biosphere
D
sun
4) _____ eat only plants.
A
Carnivores
B
Producers
C
Omnivores
D
Herbivores
5) Organisms that make their own food are called _____.
A
producers
B
decomposers
C
condensers
D
consumers
6) A population of a species is able to evolve because _____.
A
all its organisms are the same.
B
mutations occur in its gametes.
C
it changes slowly.
D
its environment changes.
7) The geologic time scale is useful to _____.
A
see when different kinds of organisms first appeared
B
explain why mass extinctions have occured
C
tell how various ancient organisms lived and died
D
determine the relative ages of fossils
8) Which theory explains that organisms change because of adaptations that help them survive?
A
descent of modification
B
natural selection
C
geographic isolation
D
homologous structures
9) The group made of humans and their humanlike ancestors is called _____.
A
hominids
B
Australopithecus
C
Homo sapiens
D
primates
10) Which of the following would NOT help explain how evolution occurs?
A
Individuals with traits best suited to the environment tend to survive.
B
Organisms produce many more offspring than can survive.
C
Survivors pass on their genes (and traits) to offspring.
D
All the individuals in a population are identical.
*select an answer for all questions
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