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25 questions
What is this a picture of?
Pedigree
Cladogram
Family Tree
Oak Tree
What characteristic do all the organisms on this cladogram share?
Being bi-pedal & having language
Complex brains
Fully binocular vision
Partial binocular vision & opposable thumbs
The two species that are closely related to each other are __.
A and B
B and C
C and D
D and E
A common ancestor for both A and E could be at position __.
1
2
3
4
What characteristic distinguishes amphibians from birds and reptiles?
Amniotic egg
Egg shells
Vertebrae
Hair/fur
According to this image, which two domains of life are most related?
Bacteria & Archaea
Archaea & Eukarya
Eukarya & Bacteria
According to this tree, which of these animal phyla are most closely related?
Arthropoda & Mollusca
Arthropoda & Chordata
Chordata & Mollusca
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.
On a cladogram, if the derived characteristic falls above the organism, then the organism......
has the derived characteristic.
does not have the derived characteristic.
shares the derived characteristic with an organism not on the cladogram.
has a beneficial genetic mutation.
On a cladogram, if the derived characteristic falls below the organism, then the organism......
has the derived characteristic.
does not have the derived characteristic.
shares the derived characteristic with an organism not on the cladogram.
has a beneficial genetic mutation.
How do you determine the derived characteristics that are shared between two or more organisms on the cladogram?
the shared derived characteristics are found between the organisms being compared.
the shared derived characteristics are found above the organisms being compared.
the shared derived characteristics are found below the lowest organisms on the cladogram being compared.
there are no shared derived characteristics among organisms on a cladogram.
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