Evolution Warm-Up 1

The variety of life in an ecosystem, including different types of plants, animals, and microorganisms.

(a)  

Tags

NGSS.MS-LS2-5

A species that has a large impact on its environment and helps maintain the structure of an ecosystem.

(a)  

Tags

NGSS.MS-LS2-4

A species that is not native to an ecosystem and causes harm to the environment, economy, or other species.

(a)  

Tags

NGSS.MS-LS2-5

The ways in which organisms interact with each other, including mutualism, commensalism, and parasitism.

(a)  

Tags

NGSS.MS-LS2-2

When organisms fight for limited resources such as food, water, or shelter.

(a)  

Tags

NGSS.MS-LS2-1

The frequency of dark fur has increased in a population of mice over time. Which environment MOST LIKELY led to this change?

• An environment with a decreasing owl population over time.

• An environment with an increasing owl population.

• An environment that has less snowfall over time.

• An environment that has more snowfall over time.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

There are many different species of rat snakes in the United States. Three species are described in the table provided.

These species are similar but have different color patterns.

Which statement BEST explains these differences in color?

• Each snake population adapted to a different environment over time.

• Each snake population moved to a different environment to reproduce.

• Each individual snake changed its color to match its environment.

• Each individual snake chose the best color to pass on to its offspring.

Tags

NGSS.MS-LS4-4