Changes in an Ecosystem

What is competition in an ecosystem?

• running a race

• boxing

• the fight for limited resources

• pie eating contest

What is pollution?

• introducing cotton candy into an ecosystem

• introducing color to an ecosystem

• introducing barbecue ribs into an ecosystem

• is introducing HARMFUL substances into an environment.

What is an invasive species?

• next door neighbor

• an animal that belongs

• is a type of plant or animal species that is not native to the ecosystem

• alligator in florida

People putting garbage in the ocean is harmful to.....

• abiotic and biotic factors

• only fish

• humans

• abiotic factors only

If we removed squirrels from a food chain, what impact would this have on an eagle population?

• there would be more pollution

• the eagle population would decrease

• everything will remain the same

• the eagle population would increase

If we were to overfish trout, what may increase among other fish?

• they would fall asleep

• everything would remain the same

• more trout would equal more competition

• there would be more competition among the fish that eat the trout

What effect would building new homes have on a squirrel population?

• the squirrels would get a brand new house

• building new homes would cause a negative impact on the squirrel population

• everything would remain the same

• the population would increase

A man sprays his yard with weed killer to get rid of the weeds. The weeds die, who else is going to be affected by this change?

• The grass will not survive.

• the insects that live in the ecosystem

• the organisms will move somewhere else

Which would be the best way to build a road through a swamp in the Everglades with having the least amount of impact on the ecosystem?

• relocate the animals and plants

• to build a bridge or overpass

• the plants and animals will adapt

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

• constructing highways
• planting trees
• recycling paper

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4