Populations & Resources: Chapter 1 Quiz

A population of wolves lives in Canada. Over 50 years, the size of the wolf population decreased. What best explains the decrease in the size of the wolf population?

• A lot of wolves were born and none of them died.

• The wolf population is always increasing because no animal eats wolves.

• Fewer wolves were born than died.

• More wolves were born than died.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A population of sea otters lives in the Gulf of Alaska. Over the last 50 years, the size of the sea otters population has increased. What best explains the increase in the size of the sea otters population?

• A lot of sea otters died and no new sea otters were born.

• More sea otters were born than died.

• Fewer sea otters were born than died.

• The sea otter population is always decreasing because sea otters are always being eaten.

Tags

NGSS.MS-LS2-4

A large population of turtles lives in an area with a lake. In the last 40 years, the size of the turtle population has stayed the same. What must be true about the turtle population during the last 40 years?

• The number of turtles that were born was the same as the number of turtles that died.

• No turtles were born and no turtles died.

• Humans started protecting the turtle population so they stopped dying.

• The turtles did not have any baby turtles during these years.

Fill in the blank with one of these terms: is less than, is greater than, equals.

When the population stays the same over time, the total number of births _________ the total number of deaths.

Which sample provides better evidence about the Moon Jelly population in Glacier Sea? Why?

• Sample A because it is closer to show and Moon Jellies live close to show.

• Sample B because it represents as much of the whole as possible.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4