LS 8 and LS 9

Comparing the skeletons of which of the following fish would best reveal any structural changes in the species over time?

• The same fish just after it hatched and when it was full grown.

• Two living fish, male and female, that could produce viable offspring.

• A fish that lived recently and a similar fish that lived thousands of years ago.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What would most likely happen if the population of zooplankton decreases due to an oil spill?

• The number of turtles will remain the same.

• The number of turtles will decrease.

• The number of turtles will increase.

• The turtles will die out.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What conclusion can you make about this data?

• After the lynx population decreases, the hare population increases.

• After the hare population increases, the lynx population increases.

• After the lynx population increases, the hare population increases.

• After the lynx population increases, the hare population decreases.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In relation to the Snowy Owl, the Short-Tailed Weasel is...

• a predator

• a decomposer

• a friend

• prey

Tags

NGSS.MS-LS2-2

This chart represents what kind of relationships?

• Competition

• Mutualism

• Predator-Prey

• Predator-Producer

Using the image, how would an increase in Brown Lemming population affect the Grizzly Bear?

• Grizzly increase

• Grizzly decrease

• Grizzly stay the same

• Population not affected

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Using the chart, what would you expect to happen to the population of the Rabbits if the Wolf population was wiped out by a disease?

• increase

• decrease

• stay the same

• rabbit and wolf populations are not related

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A decrease in the population of prey, is most likely followed by a(n) ________ in predators.

• increase

• decrease

• no change

• not related

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How will an increase of population in the Rough-Legged Hawk affect the Barren-Ground Caribou?

• increase

• decrease

• no change

• it won't

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is happening when this species' population curve is flattening?

• it is dying

• it is running out of food

• it is reaching its carrying capacity

• it is growing uncontrollably

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4