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Science
9th
grade
Unit 4 Bio - Natural Selection & Keystone Species
12 questions
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- 1. Multiple Choice
What is Natural Selection?
The process of an organism passing on their most ridiculous traits to their offspring.
The process of an organism passing on their worst traits to their offspring.
The process of an organism passing on their best traits to their offspring.
The process of an organism passing on their strangest traits to their offspring.
- 2. Multiple Choice
What are the two types of adaptation?
Structural and Fragmental
Structural and Behavioral
Adaptive and Adaptation
Behavioral and Fragmental
- 3. Multiple Choice
If there are too many locusts within a population, the ecosystem will not be able to support them. The locusts reproduce faster than the ecosystem can support. What is this called?
Natural Selection
Structural Adaptation
Behavioral Adaptation
Overpopulation
- 4. Match
Match the following
Too many species to be supported.
Overpopulation
Giving offspring the best traits.
Natural Selection
The skeleton or body of a species change
Structural Adaptation
Organism responsible for its ecosystem
Behavioral Adaptation
The way an animal acts changes
Keystone Species
- 5. Word Cloud
How do the adaptations help them survive in their environments?
- 6. Open Ended
How do the bunnies adaptations help them survive in their environment?
Use:
I think
adaptation
snow
camouflage
survive
- 7. Fill in the Blank
The two types of adaptations are __________ and behavioral.
- 8. Multiple Choice
Which of the following is an example of structural adaptation?
A fish learning to swim in a school.
A chimp learning to use rocks as tools.
A polar bear's thick fur
A human choosing to wear a coat in the cold
- 9. Multiple Choice
How do environmental pressures influence evolution?
They have no effect on evolution
They cause organisms to move to new environments
They select for organisms that are better adapted to survive and reproduce
They decrease genetic variation within a species
- 10. Multiple ChoiceWhat is the term for a feature that allows an organism to survive better in its environment?variationadaptationhomologous structurevestigial structure
- 11. Multiple Choice
The chimp is showing what adaptation?
physiologicalbehavioralstructuralmutation - 12. Fill in the Blank
A species that is responsible for the whole ecosystem is called a ________ species.
- Answer choicesTagsAnswer choicesTags