Food Webs, Ecosystems & Environmental Impacts

Which change is least likely to cause a bird population migration?

• decrease in the hours of daylight

• decrease in the average temperature of the day

• decrease in the amount of the food

• decrease in the population of predators, or animals that hunt

Tags

NGSS.MS-LS2-4

In the Florida Everglades are a large area of tropical wetlands spread across southern Florida. Two-hundred years ago, The Everglades nearly covered 5000 square kilometers. Today the Everglades are just under 1900 square miles. What most likely changed the environment of the Everglades?

• a large growth in manatee population

• a large growth of snake population

• a large growth of human population

• a large growth of alligator population

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Plants use a process called photosynthesis to change light into energy. Where does the light that MOST plants use for photosynthesis come from?

• electric lights

• nuclear power

• Earth

• Sun

Tags

NGSS.MS-LS1-6

How would the growing season of plants in Florida differ from the growing season of plants in New York ?

• The growing season of both states are similiar. This is because the climate in both states are similiar.

• The growing season of both states are the same. This is because climate has very little effects on growing seasons.

• The growing season in Florida is much longer than the growing season in New York. Florida seasons are warm while New York's is colder.

• The growing season in New York is much longer than the growing season in Florida. New York seasons are warm while Florida is colder.

Tags

NGSS.MS-ESS2-6

Many mammals get their energy from eating other organisms. The other orgamisms they eat cannot create their own energy either. They must get their energy from plants or other small organisms. What is the main source of energy for most orgamisms on Earth ?

• Wind

• Sun

• Soil

• Oceans

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In Florida the fur seen on a red fox stays the same color all year. However, in the Arctic, the fur of an arctic fox changes to white in the winter. Which statement best explains why an arctic fox's fur changes but the Florida red fox's fur stays the same?

• Arctic foxes need to change color to better camouflage themselves in their environment.

• Arctic foxes need to change color to stay warm.

• Arctic foxes need to change color so they can hibernate.

• Arctic foxes need to change color so they can migrate.

Tags

NGSS.MS-LS4-4

How might a growth of algae most likely affect a boating water environment?

• It will cause more water to evaporate from the environment

• l make the number of fish able to live in the environment go up

• It will make the sand at the bottom of the environment richer in minerals

• It will lower the amount of sunlight that travels to plants under water .

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In a terrarium tank, which organisms get their food from eating other organisms?

• the moss and ferns

• the moss only

• the crickets only

• the crickets and lizards

Which sentence BEST describes the source of food energy in the food chain of an Oak --> Squirrel --> Hawk?

• The oak tree transforms sunlight into food that fuels the squirrel and the hawk.

• The oak tree transforms soil to energy that fuels the squirrel and the hawk.

• The hawk transform the food it gets from the squirrel into energy that fuels the oak tree.

• The squirrel creates energy by moving acorns from one oak tree to another

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does a food chain show?

• flow of carbon dioxide

• flow of energy of water from producers to consumers

• flow of energy from teh Sun to producers then consumers

• flow of energy from producers to consumers then the Sun

Tags

NGSS.MS-LS2-3