Chapter Menu. Lesson 1: Natural Selection Lesson 2: Adaptation and Extinction. Click on a hyperlink to view the corresponding lesson. 5.1 Natural Selection. evolution naturalist natural selection adaptation. 5.1 Natural Selection. Charles Darwin. Evolution is change over time.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Lesson 1:Natural Selection
Lesson 2:Adaptation and Extinction
Click on a hyperlink to view the corresponding lesson.
California Standards Practice
Click on a hyperlink to view the corresponding feature.
What is evolution?
A adaptations to particular environments
B genetic change in a population over time
C natural selection
D differences in traits
What is necessary for natural selection to occur?
A genetic variation
B constant environmental conditions
C isolate populations
D shortage of offspring
Which of the following is NOT one of the main sources of genetic variation in a population?
B learned abilities
C formation of gametes
D sexual reproduction
Which of the causes of extinction is not influenced by human actions?
A inability to adapt
B loss of genetic diversity
C loss of habitat
D competition with exotic species
Why do desert rabbits have mottled fur?
A behavioral adaptations
D incomplete dominance
What is one reason exotic species can sometimes outcompete native species?
A they have no natural predators
B there are more of them
C the new environment is more favorable
D the natives are not adapted
When do we designate a species as threatened or endangered?
A when there is one population left
B when the number of individuals falls below a certain level
C when population numbers are declining
D when genetic variation is low
Which is required for natural selection to occur?
A inherited variation
B overproduction of offspring
C genetic variation
D all of the above
Which of the following did not contribute to Darwin’s development of the theory of natural selection?
A overproduction of offspring
B competition with exotic species in the Galapagos
C an essay on human population growth
D similarities and differences of species in the Galapagos
Causes of Slow Extinction