Worksheets8th Grade Science Review 2 (Classification)
Total questions: 7
Worksheet time: 6mins
Name
Class
Date
1.
Which bird can fly but does not perch on trees or roost?
a)
crane
b)
emu
c)
finch
d)
vulture
2.
Kim is studying two types of chimpanzees: Pan troglodytes and Pan paniscus. Based on their names, Kim can conclude that they
a)
are not similar.
b)
have many common characteristics.
c)
belong to different kingdoms.
d)
have a few common characteristics, but they are not related.
3.
What should Elliot do to find out where a new organism fits in the classification system used today?
a)
He should call a scientist to ask what to name the new organism.
b)
He should examine the organism directly.
c)
He should find other organisms that live in the same area.
d)
He should compare it with known organisms.
4.
At one time, scientists classified bacteria and protists together in one kingdom, but now they are in two separate domains. What evidence supported putting bacteria in a separate domain?
a)
Protists have cytoplasm, but bacteria do not.
b)
Bacteria have cell walls, but protists do not.
c)
Bacteria consist of only one cell, but protists consist of many cells.
d)
Protist cells have a nucleus and membrane-bound organelles, but bacteria cells do not.
5.
An organism has a few different types of cells and has mitochondria. It does not eat food, but cannot perform photosynthesis either. Using the dichotomous key above, determine the kingdom to which the organism belongs.
a)
kingdom Fungi
b)
kingdom Plantae
c)
kingdom Protista
d)
kingdom Animalia
6.
An organism appears to be made up of one cell, doesn’t move, and has mitochondria and chloroplasts. Using the dichotomous key above, determine the group to which the organism belongs.
a)
domain Archaea
b)
domain Bacteria
c)
kingdom Plantae
d)
kingdom Protista
7.
Drea is comparing three organisms. Two have many of the same characteristics. But they have very few characteristics in common with the third organism. What can Drea infer about the relatedness of these three organisms?
a)
The first two are equally related to the third.
b)
The first two are unrelated, but each is related to the third.
c)
Relatedness of the three organisms depends on the characteristics the
first two share.
d)
The first two are more closely related to each other than they are to
the third.
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