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- 1. Multiple Choice
New traits (genetic variation) comes from
Random Mutations
The environment
Adaptations
Animals choosing new traits
- 2. Multiple Choice
In order for Evolution to happen you need
Genetic Variation, Selective Pressure, and Inheritance
Mutations, predators, inheritance
Predators
Selection
- 3. Multiple Choice
If a new trait DOES NOT help an organism survive, what may happen to it?
Not survive or reproduce
Survive & reproduce
Survive
Die
- 4. Multiple Choice
What happens to new traits that HELP organisms survive over time?
Nothing
That trait becomes MORE COMMON in the population
That trait becomes LESS COMMON in a population
Equally common
- 5. Multiple Choice
Which traits were selected for in whale ancestors?
Traits that helped them walk on land
Traits that helped them move in water
Traits that helped them give birth
- 6. Multiple Choice
The change in traits over time in a population is known as
Evolution
Mutation
Selection
Traits
- 7. Multiple Choice
Body parts of organisms that are the same in structure and position but different in function and shared by a common ancestor.
embryos
homologous structures
analogous structures
vestigial structures
- 8. Multiple Choice
Body parts that function like each other, but are different in structure and NOT shared by common ancestor
embryos
homologous structures
analogous structures
vestigial structures
- 9. Multiple Choice
Body parts that have lost their original function.
embryos
homologous structures
analogous structures
vestigial structures
- 10. Multiple Choice
Two organisms that are closely related would have
Very similar DNA sequences
Very different DNA sequences
The same exact DNA sequences
No similarity in DNA
- 11. Multiple Choice
.
Which rock layer contains the youngest fossils?
B
F
E
C
- 12. Multiple Choice
Images of the embryo and adult stages of three different organisms are shown.
Which of the following is the best conclusion that can be drawn from this evidence?
Having similar embryos indicates that these organisms eat the same types of food.
Having similar embryos indicates that these organisms share a recent common ancestor.
Having similar embryos indicates that these organisms live in a similar environment.
Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.
- 13. Multiple Choice
What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?
There were different types of predators on the islands.
The finches on the mainland could not fly high enough.
There was no water on the islands.
There were different food types on each island.
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