Populations & Communities

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

• biotic
• abiotic
• living
• boreal

Tags

NGSS.MS-LS2-3

Choose the phrase that correctly finishes this statement: "A species is....."

• a specific part of the abiotic environment
• a way of describing all the living parts of an ecosystem
• a group of organisms that can successfully mate with each other and reproduce
• part of the natural decomposing materials in soil

Ecology is the study of the

• abiotic parts of the environment, such as climate, air, and soil
• biotic parts of the environment, such as animals and plants
• interactions between organisms
• interactions between organisms as well as the interactions between organisms and their environment

Tags

NGSS.MS-LS2-2

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

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.

Which is a biotic factor?

• A lake
• The air
• A tree

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

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

When the birth rate is larger in any given period than the death rate the population will __________.

• increase
• decrease
• stay the same

When the size of a population changes because individuals move in, it is called _____________.

• immigration
• emigration
• visiting
• rude

Tags

NGSS.MS-LS2-2