Interaction in Ecosystem

What happens to the number of organisms in an ecosystem if the number of resources decreases?

• Increases

• Decreases

• Stays the same

• Nothing happens.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why do organisms compete for limited resources? (Limited resources- resources that are not abundant in number and may run out)

• Each organisms wants to survive.

• That is basically the nature of organisms.

• They just want to compete.

• They do not compete at all.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The specific environment where an organism lives.

• Biosphere

• Ecosystem

• Water

• Land

Tags

NGSS.MS-LS2-1

Two or more member of the same species (or same kind) living in the same area.

• Competition

• Population

• Organism

• Resources

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

• Available food resources

• Annual rainfall

• Overall size of the habitat

• Population of the species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Eagles and grizzly bears live together in the same habitat. There will be competition between the eagles and the grizzly bears only if which of the following is true?

• Grizzly bears hibernate during the winter while eagles remain active.

• Pesticides in the fish population affect eagles’ eggs and decrease their population.

• Both grizzly bears and eagles feed on the same species of salmon.

• Both grizzly bears and eagles feed on the same species of salmon.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What would make a healthy ecosystem?

• Plants and animals interacting in the ecosystem.

• Plants make use of the abiotic factors in the ecosystem to survive.

• Animals make use of the abiotic factors in the ecosystem to survive.

• Plant and animal interacting with non living things.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

NGSS.MS-LS2-3

On which scenario below a plant will compete for resources?

• Neighboring plants are very close to each other.

• Neighboring plants are very far from each other.

• When there is no other plant in the place.

• Plants do not compete for resources.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Nut producing trees increased over the years in a certain ecosystem. What can you infer from from the statement?

• Animals feeding on nuts increases.

• Animals feeding on nuts decreases.

• Animals feeding on nuts stays the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Why would an organism transfer from one place to another?

• To look for resources.

• To try living on another place.

Tags

NGSS.MS-LS2-1