Chapter 6: The Environment and Change Over Time

Which of the following do some scientists believe shows evidence for evolution in living species?

• homologous structures

• analogus structures

• vestigial strucutres

• all of the above

Tags

NGSS.MS-LS4-2

Which animal would you expect a dog's genes and proteins to be the most like?

• wolf

• bear

• alligator

• lion

Tags

NGSS.MS-LS4-2

Scientists can tell whether organisms are closely related by comparing their __________.

• hair color

• teeth

• DNA

• scientific names

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

NGSS.MS-LS4-3

Homologous structures indicate that two or more species might share_________________.

• grandparents

• common ancestors

• bloodlines

• genetics

Tags

NGSS.MS-LS4-2

These are analogous structures because they look different but are similar in origin.

• True

• False

Tags

NGSS.MS-LS4-2

These are homologous structures because they are from different origins, but look and act alike.

• True

• False

Tags

NGSS.MS-LS4-2

What is suggested by the figure?

• Horses appeared no more than a million years ago and had no ancestors before that time

• There were no animals that would be considered to be related to horses 55-50 million years.

• The modern horse is related to other extinct species.

• The hyracotherium is the same species as the modern horse.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

_________are remains of life from an earlier time

• sedimentary rocks

• fossils

• variations

• limestones

Tags

NGSS.MS-LS4-1

Which of the following is NOT a fossil?

• outline of a fern found in a rock

• petrified wood in the desert

• baby mammoth found in a glacier

• old stone tools found in a cave

Tags

NGSS.MS-LS4-1

Change in the hereditary features of a type of organism over time_______.

• growth

• biogenesis

• spontaneous generation

• evolution

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

NGSS.MS-LS4-4