Evolutionary History - Chapter 2 & Rock Transformations Review

One population can become two distinct populations after _________________________ and ____________________________.

• geographic separation

• many generations

• staying together

• a few generations

Tags

NGSS.MS-LS4-2

the process by which one population evolves into two or more different species

Tags

NGSS.MS-LS4-4

when something stays mostly the same over time

In populations separated into different environments, ____________________ causes different changes to happen to each population.

• natural selection

• artificial selection

• the organism's decision to change

Tags

NGSS.MS-LS4-4

Descendant species end up with _____________________ shared structures.

• differences in their

• the same

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

When the environment is mostly the same over time, body structures __________________.

• stay stable

• change

Tags

NGSS.MS-LS1-5

When the environment changes over time, body structures may change due to ________________________.

• natural selection

• artificial selection

• the organism's decision to change

Tags

NGSS.MS-LS4-4

Over many generations and very long periods of time, __________________________________ in body structures.

• many small changes can build up to large differences

• large differences can lead to many small changes

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The length of time that the human species has been on Earth is _______________, relative to Earth’s entire history.

• extremely short

• extremely long

the very long time that spans the history of Earth, from the very first cellular life to the present

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1