Name: Date: Classifying Organisms- Study Guide Scientists have

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Name:_________________________
Date:__________________________
Classifying Organisms- Study Guide
1. Scientists have identified 60,000 species of protists and about 300,000 species of plants. The
number of species of protists is what fraction of the number of plants?
A. 1/50
B. 1/6
C. 1/5
D. 1/3
2.
A.
B.
C.
D.
Which is an observation a researcher might record while studying a lobster?
It will probably move more in dim light.
It has an exoskeleton, jointed legs, and claws.
It would eat more if it were in the open ocean water.
It will probably live longer if other lobsters are nearby.
3. Which type of protest adds oxygen to the air?
_algae________________
4.
How are the animals alike? ____Both are vertebrates
5.
All of these trees in the picture above are
_______vascular______________________________________.
6.
The picture above shows the cells of an organism under magnification. The organism these cells
belong to is most likely a (n) _______
A. Animal
B. Diatom
C. Prokaryote
D. Yeast
7. How would you classify a vertebrate that has hair, lays eggs, and feeds milk to its young?
__Mammal___________
8.
A.
B.
C.
D.
Which group is prokaryotic?
Bacteria
Fungi
Plants
Protists
9. The diagram above shows the life cycle of _gymnosperm_____________________.
10. Some scientists are investigating microorganisms in pond water. They will benefit the most if
they
A. Work alone without sharing information
B. Tell others about their observations in a written report
C. Wait until the investigation ends before sharing information
D. Share observations with each other during and after the investigation
11.
In the graph above, the height of the maple tree over time is _steadily increasing______.
12.
a.
b.
c.
d.
Which can only be seen with a microscope?
Bacteria
Conifer
Dicot
Fungi
13. What are characteristics of vascular plants?
Make their own food, have tissues that move water and nutrients through the plants, don’t have to live
close to water, they grow tall because they have a transport system
14. What are characteristics of nonvascular plants? Make their food, do not have tissue that
move water, must live close to water, only grow to be a few inches tall because they lack a
transport system.
15. A starfish is what type of organisms?___invertebrate_________________________________
16. The stems of cactus plants have a waxy coating. This coating helps the plant by _holding in
water__________________________.
17. Define and give an example of radial symmetry,
Parts are arranged equally around a middle point. Starfish and paper plate
18.
The plants in the picture above are ___seed plants___________________.
19.
The bee helps the flower by ____transferring pollen__________________________________.
20. True or false. Mammals are the only vertebrates that are warm-blooded. Explain your
answer.
False, because birds are also warm-blooded
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