5.L.2.3

What is an endangered species?

• a species that has plenty of - they are in no danger at all
• a species of animal that has very few in the world; in danger (at risk) of becoming extinct
• all species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-5

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

• The ecosystem will become overpopulated with snakes
• There will be a decrease in the population of snakes in the ecosystem
• The nutrition of the soil in the ecosystem will decrease
• More types of plants will begin growing in the ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live? 

• he population of deer will increase. 
• The population of deer will decrease.
•  The population of deer will remain the same.
• The population of deer will become extinct. 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What organism is first in a food chain?

• Consumers

• producers

• Decomposers

• Scavangers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What organism comes last in a food chain?

• Consumers

• Producers

• Decomposers

• Predators

Tags

NGSS.5-LS2-1

What would happen to lizards and snakes if pesticides are sprayed and the population of insects decreases?

• The Lizard population would decrease, the snake population would increase.

• The Lizard population would increase, the snake population would decrease

• Both lizards and snakes populations would increase.

• Both lizards and snakes populations would decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

• tropical storms

• increase in predators

• Habitat loss

• warmer temperatures

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Sea urchins will eat just about anything that floats by. Which effect will an increase in sea urchins MOST likely have on this food web?

• a decrease in the number of sea otters

• a decrease in the amount of giant kelp

• a decrease in the amount of sunlight

• a decrease in the number of predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which change in the environment would MOST likely decrease the ability for polar bears to survive?

• increase in Earth's temperature

• decrease in Earth's temperature

• increase in yearly rainfall

• decrease in yearly rainfall

Tags

NGSS.3-LS4-3

NGSS.3-LS4-4

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.

• The number of primary consumers would increase.

• The number of plants would increase.

• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4