Ecology: Population and communities

Temperature, light, air, water, soil and climate are all ______ parts of the environment.

• biotic
• abiotic
• living
• boreal

Tags

NGSS.MS-LS2-3

What is an ecosystem?

• All the interacting organisms that live in an environment and the abiotic parts of the environment that affect the organisms
• A person who observes and studies the interactions between the biotic and abiotic parts of the environment
• The relationship among the biotic parts of the environment
• The relationship between all the abiotic elements of a pond

Tags

NGSS.MS-LS2-3

What is a population?

• all members of a species that live in an ecosystem
• all of the groups in an ecosystem
• a family of animals that live in the same group
• the biotic and abiotic parts of an ecosystem

Which is a biotic factor?

• A lake
• The air
• A tree

Which of the following is TRUE?

• Abiotic factors are living things in an ecosystem.
• Biotic factors are non-living things in an ecosystem.
• Abiotic factors can eat biotic factors.
• Abiotic factors can kill biotic factors.

All the different populations living and interacting together in an area is called a ______?

• population
• community
• survival of the fittest
• immigration

Tags

NGSS.MS-LS2-2

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

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

Which of the following is a biotic factor?

• temperature
• sunlight
• grass
• water

Tags

NGSS.MS-LS2-2

An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its

• population
• habitat
• abiotic factors
• species

Tags

NGSS.MS-LS2-1

All the living and nonliving things that interact in a particular area make up a(n)

• ecosystem
• population
• community
• biome