Environmental Changes

If humans cleared a forest to build homes, we would expect _____________.

• fewer tree-dwelling animals
• increased insect populations
• more development of soil
• more frequent thunderstorms

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

In which example does a nonliving factor affect an ecosystem?

• Insects destroy most of the trees in the forest

• A tornado uproots many trees in a neighborhood

• A beaver uses trees it cuts down to build a dam on a river

• People cut down trees to clear land for building homes.

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NGSS.MS-LS2-4

NGSS.MS-ESS3-4

How will the construction shown above most likely effect the environment?

• Animals in different parts of the ecosystem will be separated

• Habitats on both sides of the road will be damaged by flooding

• Plants will stop growing in the cleared ground

• Populations of predators will increase in this region.

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NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

How do the floods due to Hurricane Harvey Positively impact city of Houston?

• Fish will adapt to reproduce faster

• Many fish species will become extinct

• Many fish species will learn to escape fishing nets

• Fish will be caught more quickly with new fishing nets.

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NGSS.MS-LS2-4

organisms that entered a new ecosystem and multiplied, hurting native species and their habitats

• overpopulation

• inpact

• restore (restoration)

• Invasive species

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

too many of the same organism in one area

• native species

• overpopulation

• invasive species

• restore (restoration)

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5

trees are cut down in large numbers to clear the land; this can lead to erosion and loss of soil

• impact

• restore (restoration)

• deforestation (clear cutting)

• invasive species

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NGSS.MS-LS2-4

NGSS.MS-ESS3-4

problem that occurs when grazing animals like cattle and sheep eat too much vegetation (grass)

• habitat

• overgraze

• thrive

• global warming

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

Place where an organism lives, organisms' home

• habitat

• overgraze

• thrive

• global warming

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3