RC 4

How many predators in this food web are omnivores?

• 1

• 2

• 3

• 4

How many organisms in this food web eat only producers?

• 3

• 2

• 1

• 4

Both primary and secondary succession begin with pioneer species that -

• change the area and make it safer from predatory organisms

• invade the area so that new organisms cannot be established

• modify the area and allow larger and more complex organisms to appear

• use up all the existing resources and prevent establishment of non-native organisms

Tags

NGSS.MS-LS2-3

Ecological succession is

• The process by which an environment changes over time

• The process by which a biome becomes less stable

• The process by while an environment stays the same over time

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Autotrophs- make their own  food.
Heterotrophs- obtain food from other animals.
Observing the table above, Fungi and Animals are________?

• Autotrophs

• Heterotrophs

Tags

NGSS.MS-LS2-3

Which of the following describes a negative consequence of commercial fishing?

• Removal of invasive species

• Ocean food webs become imbalanced

• Increased dissolved oxygen concentration

• Fishing vessels cause water to warm up

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What does biodiversity mean?

• Only one species in an area.

• The different amount of species in an area

• All abiotic life

• Nitrogen fixation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

The strangler fig is a vine that starts out as a seed in the tree canopy of the rain forest. It drops its roots down from the canopy to the forest floor. By sprouting in the rain-forest canopy, the strangler fig seedling is exposed to more -

• sunlight

• soil

• nutrients

• consumers

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

• Zone I only

• Zones I and II only

• Zone III only

• Zones I, II, and III

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Lions and cheetahs prey on wildebeests that graze in the grasslands of the African savanna. What likely effect would increased rainfall over several rainy seasons have on the populations of wildebeests, lions, and cheetahs?

• All three populations would increase.

• The wildebeest population would decrease, and the lion and cheetah populations would increase.

• The wildebeest population would increase, and the lion and cheetah populations would decrease.

• All three populations would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4