unit 4

Which form of evidence of evolution is depicted in the image?

• Homologous structures

• Natural selection

• Similar early development (embryology)

• The fossil record

The more similarities between 2 species' DNA, ...

• the more closely related the species are.

• the less closely related the species are.

What is the advantage of having different shaped beaks?

• To look different from other species.

• To be able to eat the food readily available in the environment.

• To protect itself against predators.

• To protect itself against prey.

When a species completely dies out, it is called

• adaptation.

• extinction.

• fossilization.

• mutation.

Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein
• Charles Darwin
• Charles Barkley
• Isaac Newton

Organisms with the most beneficial traits will survive. This is commonly known as

• the theory of evolution.

• variations.

• survival of the fittest.

• ecosystems.

___ are mistakes in the DNA that cause variation within a species.

• Mutations

• Adaptations

• Speciations

• Isolations

A trait that makes a species better suited to survive in its environment is called a(n) _________.

• variation

• adaptation

• natural selection

• isolation

Define embryology.

• Remains of dead organisms

• Similar bone structures being found among more closely related organisms

• How embryos of different species look similar

Define fossil record.

• Remains of dead organisms

• Similar bone structures being found among more closely related organisms

• How embryos of different species look similar