Evolution: Part 4: Natural Selection and Evidence

Evolution: Part 4: Natural Selection and Evidence

Multiple Choice

According to Darwin's Theory of Evolution, differences found among the finches of various Galapagos Islands are the result of...

• Accumulation of characteristics the parents acquired

• Natural selection occurring based on environments

• The size of the islands the birds lived on

• The movement of finches from one island to the next

Multiple Choice

When humans interfere with natural by selecting and breeding for traits they believe to be more beneficial, this is called what?

• Natural Selection

• Artificial Selection

• Balancing Selection

• Vestigial Selection

Multiple Choice

The process by which individuals are better suited to their environment survive and reproduce the most successfully is known as what?

• Artificial Selection

• Natural Selection

• Adaptation

• Genetic Variation

Multiple Select

A gardener sprays a herbicide to kill of pest weeds in their garden. In one year, the pesticide kills over 90% of the weeds. However, each year more weeds survive the herbicide application. Select all of the below that are true regarding this population of pest weeds.

• There was a mutation in some of the pest weeds that caused them to be resistant to the herbicide

• The gardener was selecting for resistant individuals to survive

• Natural selection was occurring

Multiple Choice

According to fossil evidence, kiwi birds evolved from birds that once used their wings for flight. The kiwi bird still has small wing-like appendages they no longer use. What is the best explanation for this loss of working wings in kiwi birds?

• The wings adapted into strong legs to help the kiwi bird run faster

• Random chance and genetic drift led to the reduction in size of the wings

• Birds with smaller wings ran faster than those with larger wings to get away from predators, those improving their fitness

• Some birds lot their wings to predators and passed down the lack of this trait to their offspring

Multiple Choice

Based on the diagram, which statement about the evolutionary change of the ancestors of horses is correct?

• Changed from 1 toe to 4 toes

• Heads went from being vertical to horizontal

• The species became larger over time

• The heads became smaller over time

Multiple Choice

The illustration provided shows the pelvic bone of snakes. The pelvic bone ins snakes is an example of what type of structure?

• Analogous

• Vestigial

• Homologous

• Fossil

Multiple Choice

Humans have an appendix that no longer serves a function and can be removed without changing how the human body works. What kind of structure is this an example of?

• Analogous Structure

• Homologous Structure

• Vestigial Structure

• Fossil

Multiple Choice

What is the name given to structures from different species that may look or function differently on the outside but are similar in their structures on the inside? These structures are similar on the inside because both species originated from a common ancestor.

• Analogous Structures

• Vestigial Stuctures

• Homologous Structures

• Fossils

Multiple Choice

How does the diagram provided support the claim of common ancestry between the organisms?

• It shows similarities between traits exist as the embryos develop

• Different species show the same level of similarities at all stages of development

• Allows the genetics of each species to be examined

• Shows what ancient ancestors of the organisms looked like

Multiple Choice

Protein sequences in one organism that resembles those of another suggests the two organisms ____________.

• Share an ancestor

• are unrelated

• Lack an evolutionary relationship

• Greater number of mutations