Unit 7.2 Mechanisms of Evolution Notes

Mechanisms

of

Evolution

Notes - write in your notebook!
Comprehension Questions

Big Picture Questions

Over many generations, consistent natural selection pressure will cause new adaptations to
emerge in populations.

In what ways are natural selection and adaptations related?

Evolutionary theory is a scientific explanation for the unity and diversity of life.

In what ways is scientific evidence used to explain the unity and
diversity of life?

Vocabulary

Definitions written on your choice board packet.

Evolution

Recombination

Gene Flow

Biodiversity

Genetic Drift

Fitness

Natural Selection

Speciation

Population

Migration

Gene Pool

Trace your
hand in
your notes

Title it: "5 Fingers of Evolution"

​Take notes & draw a small picture for each "finger" of evolution as you watch this video

Multiple Choice

Imagine a gene mutation creates a new color of hair. According to Andersen, what will this do?

• cause everyone to look the same

• change the freqency in the gene pool

• cause most hair colors to disappear

• create a new species because of the disruption in the food web

• nothing will happen

Multiple Choice

Which of the following causes of microevolution is represented by the middle finger?

• small population

• mutation

• 
  non-random mating

• gene flow

Multiple Choice

Which of the following terms represents the movement of individuals into or out of an area?

• natural selection

• non-random dating

• mutation

• gene flow

• adaptation

Multiple Choice

Which of the following is the only cause of microevolution that can lead to adaptations?

• small population

• non-random mating

• mutations

• gene flow

• natural selection

​Please turn your 'Five Fingers of Evolution' notes in--
this is a daily grade!