Ecosystems

Front

Which is an abiotic factor that most limits the number of frogs living in a pond?

• the color of the water
• the number of predators
• the temperature of the water
• the populations of producers

Back

the temperature of the water

Tags

NGSS.MS-LS1-5

Front

What is the likely impact of a drought on horned owls if field mice, their primary food source, leave the area?

Back

Horned owls will follow the field mice to a different area.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Front

Which population would be most affected if there is a decrease in the population of aquatic insects? Options: elk, frog, moose, squirrel

Back

frog

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

Which species are best able to occupy the same space? Options: those that eat the same foods, those that compete for the same resources, those that have a predator/prey relationship, those whose needs differ significantly from each other

Back

those whose needs differ significantly from each other

Front

Which best describes a way photosynthesis provides resources to animals?

Back

Photosynthesis increases plant growth, providing places for many animals to live

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

Deer are introduced into a grassland ecosystem and their population increases considerably. If the deer population continues to grow, what is the most likely outcome for the ecosystem?

Back

Biodiversity would decrease, and sustainability would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Front

Which species would be most affected by the overfishing of Alaskan salmon? Options: bears, crayfish, lobsters, opossum

Back

bears

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What factor will have the greatest influence on a kit fox's survival as it grows to an adult with a mass of over 3.5 kg? Options: the size of the fox’s ears, the conditions of the fox’s habitat, the average number of fox offspring, the social behaviors within the fox population.

Back

the conditions of the fox’s habitat

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

What will most likely happen if squirrels are removed from the food chain? Acorn → Squirrel → Fox → Mountain Lion

Back

The fox population will decrease

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?

Back

move to a new area to find food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4