Ecosystems and Environments

A farmer brings in ladybugs to his field to stop the spread of the aphid population that is destroying his crops. This is an example of:

• Ecosystem monitoring

• Biological control

• Species introduction

• Invasive species attack

Tags

NGSS.MS-LS2-4

Which of the following is a producer?

• fungi

• algae

• animals

• buzzards

Tags

NGSS.MS-LS2-3

A garden was cleared out, but had to be left alone for a month. What would you expect to see?

• lichens and mosses

• grasses and weeds

• a fully blossomed garden

• bushes and small trees

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Tracking changes in organisms or populations of organisms.

• wildlife monitoring

• biotic monitoring

• environmental monitoring

• biological monitoring

Tags

NGSS.MS-LS2-4

Ecological succession usually includes changes in all of the following EXCEPT -

• the number of different kinds of plants

• the number of plants of any one species

• the rate at which species produce offspring

Tags

NGSS.MS-LS2-4

in the process of ecological succession, grassess, appear before shrubs because grasses-

• loosen the dirt for new trees to take root

• provide food for animals returning to the area

• can grow rapidly even in areas with shallow soil

Tags

NGSS.MS-LS2-4

Which of the following contributes most to promoting sustainability in an ecosystem?

• Lack of decomposers

• A balance water table

• Variety of organisms

Tags

NGSS.MS-LS2-5

Which of the following is an example of one stage in ecological succession?

• A tree falls over in a forest

• Weeds grow in a garden

• Fish swim in a pond

Tags

NGSS.MS-LS2-4

After a catastrophic wildfire that clears the land of all plants and trees, -

• weeds will grow in the area before trees grow

• plants will not grow again in the burned area

• bushes will grow in the area before weeds grow.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is a primary consumer in an ecosystem?

• A) Grasshopper

• B) Eagle

• C) Oak Tree

• D) Mushroom

Tags

NGSS.MS-LS2-3