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VBPF Ecology
Test Description: Preparation for written assessment on viruses, bacteria, fungi, and protists
Instructions: Answer all questions to get your test result.
1) Viruses are like living things because they…. and are not considered living since …..
A
have DNA in nuclei
B
have genetic material, cannot reproduce without a host
C
are large, eat dead things
D
are small, eat there living things
2) Viruses can cause dramatic changes in populations. For example,
A
many are predators that keep populations in check
B
many cause widespread illness and death
C
Some outcompete other organisms
D
some cause widespread wellness and happiness
3) Bacteria are important members of ecosystems that ……… to attain energy.
A
have DNA in nuclei
B
Use only photosynthesis to make energy
C
are multicellular
D
Break down dead organisms and return molecules to the soil
4) Bacteria can be harmful to people because……
A
They make sugar with the sun's energy
B
many cause illness and death
C
They help digest and absorb food
D
They produce oxygen
5) Bacteria are helpful to people in the following ways:………..
A
many cause illness and death
B
are eukaryotes
C
They help digest and absorb food, and are used to make some foods
D
are multicellular
6) Protists are classified by……
A
their colors
B
How they move and what they eat
C
their sizes
D
their odors
7) Protists such as………., …….., and …….. function differently in ecosystems.
A
Algae, protozoans, and slime-molds
B
hyphae, flagella, cilia
C
mushrooms, lichen, molds
D
retrovirus, adenovirus, and bacteriophage
8) Protozoans are protists that……
A
do photosynthesis
B
are prokaryotes
C
move and eat like animals
D
break down and absorb nutrients from hosts
9) Algae are protists that…….
A
break down and absorb nutrients from hosts
B
are prokaryotes
C
move and eat like animals
D
do photosynthesis
10) Fungus-like protists
A
do photosynthesis
B
move and eat like animals
C
break down and absorb nutrients from hosts
D
are prokaryotes
*select an answer for all questions
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