WorksheetsEvolution
Total questions: 20
Worksheet time: 16mins
A mistake or change that occurs in the DNA sequence is called a ______________________.
Extinction
Speciation
Mutation
Genetic Variation
genetic change needed for a population to evolve
balance within a population
What is the term for a feature that allows an organism to survive better in its environment?
variation
adaptation
homologous structure
vestigial structure
Which phrase is associated with natural selection?
When an organism's species completely dies out, it is called.....
What do you call similar structures that related species have inherited from a common ancestor?
Natural Selection
Analogous Structure
Vestigial Structure
Homologous Structure
Do organisms "decide" to evolve and change? (they have the ability to change whenever they want)
What do we call structures that no longer perform their original function (useless body part)?
Natural Selection
Analogous Structure
Vestigial Structure
Homologous Structure
Which of these are true about Extinct Species? (multiple answers)
All members of the species are dead.
The species had no successful traits for the environment.
They won't be found in the fossil record after their extinction.
Only some of the members are still alive.
Similarities in the Cat's leg, Dolphin's flipper, Bat's wing and our arms suggest...
that we have a common ancestor millions of years ago.
that all could fly at one time.
they can't be related because bats can't swim.
that cats love to swim.
How confident are you in your knowledge of evolution?
Piece of cake, I got this!
I think I'll be okay :)
Meh, not very much
My brain is one fact away from exploding
