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WorksheetsNatural Selection & Evidence for Evolution
Total questions: 13
Worksheet time: 56mins
The trees that peppered moths used to live on were once white, but became covered in soot from coal factories. Which moth will be more successful in this environment?
dark moth
light moth
both will be equally successful
neither will be successful
Common decent is the theory that all life on Earth came from one common ancestor. Which of the following are true (2)?
Common decent is a directly observable fact.
Common decent is a conclusion made from a huge collection of observable facts.
Common decent is the basis for the Theory of Evolution.
Common decent suggests humans evolved from apes.
What is decent with modification?
When the offspring of an organism show genetic variation in comparison to their parents
When the offspring of an organism have favorable traits due to needing them in order to survive
When only modified offspring are able to survive
When offspring have better manners than their parents
The dark moth came about because...
The trees became dark due to pollution so the white moth needed to change color
By chance the dark moth had a modified gene that caused it to be dark colored
The white moth became covered in soot from the factories and turned a dark color
Due to the soot in the air, the white moth mutated and became dark colored
Which are valid lines of evidence for the Theory of Evolution? (4)
Fossil records
DNA analysis
Comparative anatomy
Embryology & Development
Looking at the members of a family over 3 generations
Which of the following explain why we DO NOT have a complete fossil record of all life that’s ever lived? (3)
Fossil formation requires the physical and biological conditions to be just right, which is quite rare
Fossils must be extremely close to the Earth’s surface to have a chance of being found.
Fossils can be destroyed when rocks erode, melt, or change composition.
All the fossils from millions of years ago do not exist anymore
We do have a complete fossil record, as scientists have found millions of fossils over the years
Extinctions occur because the environment changes.
These limbs provide evidence of common ancestry because they....
have the same basic structure
Perform the same function
Are the same size
Are parts of mammals
The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?
homologous
analogous
vestigial
convergent
All these organisms have similar arm bones. What is the reason for this?
The function of these bones is the same in all animals
They live in similar environments
They have a common ancestor
All organisms resemble humans
Which of the following pieces of evolution EVIDENCE deals with comparing similar structures in various species?
fossil record
comparing embryology
comparing biochemistry
comparing anatomy
Giraffes have the same number of vertebrae in the neck as do humans. What line of evolutionary evidence is this?
comparative anatomy
comparative biochemistry (DNA)
comparative embryology
fossil evidence
Which three of the following are examples of vestigal structures?
