L.17.11

Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?

• Adaptations

• Gradualism

• Homologous Structures

• Extinction

Tags

NGSS.MS-LS4-2

When genetic variation is low, the ability to adapt is low.

• True

• False

Tags

NGSS.MS-LS4-4

What is an inherited trait that gives an organism a survival advantage in its particular environment?

• a mutation

• an adaptation

• offspring

• homologous structure

Tags

NGSS.MS-LS4-4

Why did Darwin's finches evolve with differently shaped beaks?

• they interbred

• they had defective genes

• they adapted to eating the same foods on different islands

• they adapted to eating different types of foods

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which of the following results in individuals being able to adapt to their environment?

• genetic variation

• homologous structures

• analogous structures

• genetic isolation

Tags

NGSS.MS-LS4-4

Over time, the length of giraffes necks has increased. What kind of change is this?

• adaptation

• mutation

• acquired trait

• behavioral change

Tags

NGSS.MS-LS4-4

Gigantopithecus were very large primates that lived 500,000 years ago. Since none of these mammals are still today, they are said to be....

• Extinct

• Threatened

• Endangered

• Declining

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight differences within members of the same species are called.....

• Fossils

• Extinction

• Meiosis

• Variations

Tags

NGSS.MS-LS4-4

What do we call a change in a species over time?

• Adaptation

• Evolution

• Extinction

• Environmental influences

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.

• Insect populations developing resistance to certain pesticides.

• Bacteria becoming resistant to antibiotics.

• Male birds of certain species developing colorful feathers to attract female mates.