Populations, Communities and Ecosystems

What are the biotic factors in this image?

• sunlight, elephants, and grasses

• sunlight, water,  and air

• elephants, plants, trees 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A group of the same type of organisms living in the same place at the same time.

• threatened species

• populations

• community

• limiting factor

All of the populations that live in one area together

• limiting factors

• populations

• community

• speed limit

Which statement is correct?

• population is the same as a community

• community is a group of populations

• community is a part of a population

• population is a group of communities

Is sunlight an abiotic or biotic factor? 

• abiotic

• biotic

Tags

NGSS.MS-LS1-6

Which of the following best describes a community?

• sharks, groupers, anemones and shrimp on a coral reef

• decorator crabs on the seafloor

• loggerhead sea turtles in Atlantic

• prairie grassland in Wyoming

Tags

NGSS.MS-LS2-2

What is a community?

• One individual of a species

• a group of individuals living together in an area

• all the different populations living together in an area

• different communities and their physical environment

What is a biome?

• one individual of a species

• all the different populations of species that live together in an area

• all the biological communities and their physical environment

• a group of similar ecosystems that share similar climates and animals/plants

Which definition best fits the term ecosystem?

• A group or organisms of the same species that live in the same area and interact with one another.

• A group of many populations (of different species) that live and interact with one another

• A group of populations of many different species that live and interact with both one another and all of the abiotic factors in their environment.

• A set of different ecosystems that are connected by similar geographic features and share the same or similar climate.

• Anywhere on earth that life exists.

Tags

NGSS.MS-LS2-3

Non-living factor that affects an ecosystem...

• biotic factor

• abiotic factor

• food chain

• biome

Tags

NGSS.MS-LS2-1