Ecosystems and Food Chains

What need for a turtle should be added to this list?

• Snow to fall on it

• Trees for it to climb

• Predators to hunt it

• Air for it to breathe

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Which population of organisms will best have its needs met in a rainy habitat?

• Plants that require a lot of water

• Animals that have thick fur

• Animals that get about by flying

• Plants that are pollinated by insects

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A fox is a predator that hunts small animals. The habitat that meets its needs is one that has...

• heavy rains during some seasons

• a large population of mice

• extreme cold temperatures

• sandy dunes and dry soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Based on the needs of a frog, which habitat is best for this animal?

• Habitat W

• Habitat X

• Habitat Y

• Habitat Z

In this food chain, the arrows are used to show the flow of energy. The grasshopper gets its energy directly from the...

• grass

• snake

• frog

• sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The arrows in this food chain show the flow of energy. A disease is causing plants not to grow in this habitat. How will this affect the food chain pictured?

• The number of large fish will increase

• The number of small fish will increase

• The number of small fish will decrease

• The amount of sunlight will increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-3

The organisms found in a prairie ecosystem are: rodents, plants, and birds. Which food chain correctly shows the flow of energy in prairie?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The diagram shows a food chain in a grassland, which includes: plant seeds, field nice, snakes, and mountain lions. If the field mice were removed from this food chain, which animal population would most likely be affected first?

• Plant seeds

• Field mice

• Snakes

• Mountain lions

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-3

What is the original source of energy for all organisms in a pond ecosystem?

• water

• sun

• plants

• animals

Tags

NGSS.MS-LS1-6

The diagram shows an incomplete food chain. Which would complete the food chain?

• green plants

• mosquitoes

• small fish

• bald eagles

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2