WorksheetsEvolution
Total questions: 15
Worksheet time: 9mins
True or false, evolution happens when an individual organism starts changing itself to adapt to its environment. For example, an adult polar bear might start swimming more so it can handle the melting of the polar ice caps.
false, if it had a cub that could swim better due to longer legs or more buoyant bone structure, this could become a more common trait.
True, evolution happens due to changing individuals
maybe, if it chose to.
I wish I had a pet penguin
Cheetah's all have 99% identical DNA. Which is/are true?
They are more likely to evolve into a new species than other cats due to gene flow.
They are likely to go extinct because they have so little variation.
They likely underwent a bottleneck in their history.
The founder's effect made it so they have several different subspecies.
Cheetahs never prosper and winners never cheat.
Some evidence that supports theropods as ancestors to birds is:
some theropods had gizzards and hollow bones like birds
their DNA is very similar
they have all of the intermediate fossils between them
theropods all had feathers
scientists found collagen in fossils of theropods
