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WorksheetsUnit 8 (Classification)
Total questions: 30
Worksheet time: 31mins
Heterotrophs- obtain food from other animals.
Observing the table above, Fungi and Animals are________?
Ctenodiscus crispatus (Mud Starfish)
Why do scientists use scientific names?
to confuse people
to have a common language
to allow people to say the same thing
because common names are not appropriate
Which of the following is a centipede?
Identify leaf F
Cydonia
Magnolia
Aesculus
Fraxinus
Ilex
Based on the dichotomous key, which bird is Certhidea? (Slender = thin; stout= round)
Bird W
Bird X
Bird Y
Bird Z
A
B
C
D
The main difference between a cladogram and a phylogenic tree is that...
a cladogram does not produce a new branch for every unique trait being observed
Phylogenetic tree also shows evolutionary time. This allows you to track how a species has changed over time.
a cladogram represents distance of relatedness in time and trait similarities
a phylogenic tree produces a new branch for every unique trait being observed
The diagram below represents possible genetic relationships between groups of organisms.
Which statement is a valid conclusion that can be drawn from the diagram?
Insects are more complex than mammals.
Earthworms and sea stars have a common ancestor.
Snails appeared on Earth before corals.
Sponges were the last new species to appear on Earth.
What is the common ancestor of Letters A, B, C, D, E?
1
2
3
4
Who is most closely related to Taxidea taxus?
Lutra lutra
Panthera pardus
Canis latrans
Canis lupus
