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Introducing new Paper mode
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- Multiple ChoicePlease save your changes before editing any questions.
What is the purpose of a cladogram?
To map the ancestral relationships and shared traits of different organisms.
To trace the inherited traits of a single species over time.
To check the likelihood of an offspring having a particular trait.
To monitor mutations that arise among different populations.
- Multiple ChoicePlease save your changes before editing any questions.
How has technology helped us in understanding evolutionary relationships?
We can travel back in time to observe different organisms in their habitats.
We clone different organisms using DNA from fossils so we can bring them back and observe.
We can now compare the DNA of different organisms to help determine the relationships between them.
We can follow different organisms on Twitter to look for similar traits and characteristics.
- Multiple ChoicePlease save your changes before editing any questions.
How can a cladogram be used to show how closely related two organisms are?
The further apart two organisms are on a cladogram the more they have in common.
If two organisms are next to each other on a cladogram then they must be the same species.
All organisms share a common ancestor.
You can use a cladogram to see how many traits two organisms have in common. The more in common, the more closely related they are.
- Multiple ChoicePlease save your changes before editing any questions.
What traits do most mammals share? Check all that apply.
Vertebrates
Lay Eggs
Have hair
Produce Milk for their young
Endothermic (Warm Blooded)
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A branched diagram that shows ancestry, or how you and your relatives have descended from common relatives.
Cladogram
Pedigree
Family Tree
DNA Test
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A “family tree” made by scientists to show relationships of ancestry and similar traits between organisms.
Cladogram
Scientific Family Tree
Pedigree
DNA Test
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What characteristics do all of these animals have in common?
Vertebrate
Lungs
Endothermic
Mammal
- Multiple ChoicePlease save your changes before editing any questions.
What do both the squirrel and lion have in common that the other animals do not?
They are both vertebrates
They both have lungs
They are both mammals
They both lose their canine teeth.
- Multiple ChoicePlease save your changes before editing any questions.
Is a bird more closely related to a prosimian or to an amphibian?
Birds are more closely related to prosimians because they have more in common.
Birds are more closely related to amphibians because they have more in common.
- Multiple ChoicePlease save your changes before editing any questions.
What do amphibians, birds, prosimians and humans all have in common? Check all that apply.
Hair
Endothermic
Eukaryotic
Tetrapod
Vertebrate
- Multiple ChoicePlease save your changes before editing any questions.
According to this cladogram, what characteristics do prosimians have in common with humans?
Hair
Eukaryotic
Vertebrate
Endothermic
Tetrapod