Ecosystems: Living Things and the Environment

What is ecology?

• The study of living things.
• The study of animals and plants.
• The study of living and nonliving things.
• The study of how organisms interact with their environment.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which is NOT an abiotic factor?

• grass
• rocks
• oxygen
• water

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

An environment that provides the things a specific organism needs to live, grow, and reproduce is its ________.

• ecosystem
• community
• habitat
• population

A biotic factor in an organism's habitiat is _________.

• something that is not alive
• something that is living or was once living
• a group of species
• a group of communities

Tags

NGSS.MS-LS2-4

Which lists the levels of an ecosystem in order from smallest to largest?

• ecosystem, community, population, organism
• community, population, organism, ecosystem
• organism, population, community, ecosystem
• organism, community, population, ecosystem

what needs of an organism are provided by its habitat

• organism
• population
• food, shelter, water
• species

the nonliving part of a habitat is called:

• abiotic factor
• biotic factor

Tags

NGSS.MS-LS2-3

what is a group of organisms that are physically similar and can mate with each other and reproduce offspring that can mate and reproduce

• population
• community
• species

true/false: All the populations live in the same sized area

• true
• false

Which of the following is an example of an organism?

• a river
• a chair
• air
• a sunflower

Tags

NGSS.MS-LS1-1