Populations and Ecosystems

Maple trees is an example of a/an

• individual

• population

• community

• ecosystem

Sand is

• abiotic.

• a community.

• an individual.

• an ecosystem.

Ants, butterflies, and roses are

• an individual.

• a population.

• a community.

• an ecosystem.

Many different organisms live in Amanda’s garden. The diagram shows a simple food web of some of the organisms in her garden. Predation helps maintain the stability of an ecosystem. Which statement BEST describes how this garden ecosystem can benefit from the presence of snakes?

• The snakes provide an energy source for the moles.

• The snakes consume the mice best adapted to their environment.

• The snakes eat moles, which allows the population of mice to increase.

• The snakes keep the mice from overpopulating, which could deplete plant resources.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The different populations that interact with each other in the same area form?

• population
• community
• niche

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

• population
• community
• niche

Consumers that eat both plants and animals are?

• herbivores
• carnivores
• omnivores
• decomposer

What is an ecosystem? 

• producing food from sunlight
• animals that live in certain areas
• living and nonliving things that interact in an area
• a person who studies an environment

Most ecosystems have many food chains. What are food chains that overlap in an ecosystem and show feeding relationships? 

• unhealthy
• energy pyramid 
• food web
• matter

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is an organism that breaks down dead organisms and wastes to live and grown? 

• herbivore
• consumer
• producer 
• decomposer