Modified Changes to an Ecosystem

How does a bird "change its environment" to meet its NEEDS?

• builds a nest

• flies around

• catches bugs

Tags

NGSS.MS-LS2-4

An ______________ is a system made up of all the biotic and abiotic factors in an area and all the interactions among them.

• ecosystem

• habitat

• population

Why would humans cut down forests?

• to build roads

• to build buildings

• to build factorys

• all of the above

Which of the following would have a NEGATIVE impact on an ecosystem

• constructing highways

• planting trees

• recycling paper

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Which is NOT an example of a natural environmental change?

• a beaver dam

• a hurricane

• a housing development

Tags

NGSS.MS-ESS3-4

When the last member of a species dies, the species becomes

• extinct

• endangered

• dead

Tags

NGSS.MS-LS4-1

In a pond ecosystem, what would happen to frogs if the insect population decreased?

• There would be more frogs in the pond

• There would be more insects in the pond

• There would be less frogs in the pond

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A squirrel makes a change to its environment when it —

• climbs a tree

• digs a hole to bury an acorn

• collects acorns

What is overpopulation?

• all living things that belong to the same group and live in the same area

• having too many people or organisms in a particular area

• the place where an organism lives

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Natural disasters can also change ecosystems. What can organisms do if a disaster happens?

• Fight, Survive, Struggle

• Move, Adapt, Die

• Stay, Sleep, Survive

Tags

NGSS.MS-LS2-4