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WorksheetsPhylogenetic Tree
Total questions: 8
Worksheet time: 2mins
Name
Class
Date
1.
What is a "Phylogenetic Tree" ?
a)
An alien tree
b)
A diagram that shows how species are different from each other
c)
A branching diagram or "tree" showing the evolutionary relationships among various biological species
d)
A tree from another planet
2.
A change in the inherited characteristics of an organism over time is ________
a)
evolution.
b)
development.
c)
growth.
d)
ancestry.
3.
What is an embryo?
a)
A type of fish in the southern ocean
b)
A developing offspring
c)
A piece of frozen shrimp
d)
Disease that kills you within a week
4.
In stage one (top row) of these embryos, most of the embryos________
a)
look very similar.
b)
have very different features.
c)
show different stages of development.
d)
have only a tail if they are non-human.
5.
According to this evolutionary tree, birds are LEAST related to:
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
6.
According to the cladogram, which organism is most distantly related to the human?
a)
crayfish
b)
grasshopper
c)
perch
d)
frog
7.
Which two animals are most closely related?
a)
T-rex and Frog
b)
Swordfish and Alligator
c)
swordfish and t-rex
d)
T. rex and Alligator
8.
Which is an appropriate application for a phylogenetic tree?
a)
show how organisms are related
b)
assign an organism a scientific name
c)
classify organisms based on characteristics
d)
show when organisms were discovered by scientists
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