Descent with Modification

What is the basic unit of heredity?

• DNA

• RNA

• Gene

• Chromosome

What is the process by which species adapt to their environment due to their genetic makeup?

• Natural Selection

• Gene Flow

• Mutation

• Genetic Drift

Tags

NGSS.MS-LS4-4

Where did Charles Darwin conduct his famous observations that led to his Theory of Evolution?

• Serengeti Plains

• Great Barrier Reef

• Galapagos Islands

• Amazon Rainforest

Tags

NGSS.MS-LS4-2

What did Charles Darwin observe about the species on each island in the Galapagos?

• They were different

• They were similar

• They were unrelated

• They were identical

Tags

NGSS.MS-LS4-2

What does descent with modification mean?

• The offspring will be like their parents, but with a slight change

• The offspring will go down into caves

• The offspring will ascend into the light

• The offspring will overproduce

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The similarity in forelimb structure of humans, bats, and moles is evidence that they...

• Use their forelimbs in similar ways

• Evolved from each other

• Are members of the same species

• Share a common ancestor

Tags

NGSS.MS-LS4-2

Structures such as human tail bone and hind legs of whale that serve no purpose in an organism today, but has a purpose in the past is called...

• Homologous

• Analogous

• Fossilized

• Vestigial

The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for:

• Attracting a mate

• Defending territory

• Building nests

• Gathering food

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Check all that apply to natural selection.

• Descent with modification

• Variation

• Overproduction

• Adaptation

Tags

NGSS.MS-LS4-4

Small changes over time that give rise to a new species is known as _____. An example is the disappearance of hind legs in the whale.

• descent with modification

• homologous structures

• vestigial structures

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4