Ecosystems and Biospheres

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

Tags

NGSS.MS-LS2-3

Which best explains why many kinds of plants and animals can live together in an ecosystem?

• The plants and animals are all part of a food chain and depend on each other to live.
• Plants and animals are interdependent of one another.
• One species may overpopulate, killing all plant life.
• Over population of a species results in a biodiversity.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

Examples of how humans negatively affect local ecosystems are

• Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
• Creating laws to prohibit fishing from local streams.
• Planting trees and other plants to attract native species.
• Removing non-native species from the environment.

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

All the members of one species that live within an area of an ecosystem is a?

• population
• community
• niche

Which are abiotic factors?

• fish
• humans
• rocks
• cats

Tags

NGSS.MS-LS2-3

The non living parts of an ecosystem

• abiotic factors
• biotic factors
• oxygen
• soil

Tags

NGSS.MS-LS2-3

An abiotic part of an ecosystem; this gas is required by all living things.

• oxygen
• ecology
• biotic factors
• jellybeans

Tags

NGSS.MS-LS2-3

An abiotic part of an ecosystem; made of small pieces of rock, water and decaying matter.

• sunlight
• oxygen
• water
• soil

Tags

NGSS.MS-LS2-3

the prefix sphere means?

• life, living

• ball, round

• small, millionith

• record, writing

The prefix BIo- means?

• Before, ahead of time

• life, living

• house

• before, ahead of time