Resource Availability in Ecosystems

Organisms that make up the living part of an ecosystem.

• abiotic

• biotic factors

• ecology

• ecosystems

Tags

NGSS.MS-LS2-3

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

Tags

NGSS.MS-LS2-3

Temperature is an example of what kind of factor?

• Biotic 
• abiotic
• dead
• living

Tags

NGSS.MS-ESS2-6

NGSS.MS-LS1-5

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase

• The number of plants would increase

• all organisms would adapt

• All living organisms would eventually die

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Is a deer an abiotic or biotic factor? 

• abiotic
• biotic

Tags

NGSS.3-LS2-1

Is a weather an abiotic or biotic factor? 

• abiotic
• biotic

Tags

NGSS.MS-LS2-3

If this is the only change, which causes a population to increase in size?

• The number of births and deaths are the same

• The birth rate is greater than the death rate

• The birth rate is less than the death rate

Which of these events can lead to an increase in a population size of mice?

• A large number of mice die because of a forest fire

• New predators are added to the ecosystem

• There is a large amount of a food resource in their area

• Some mice move to a different habitat in search of food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How can a drought affect a population?

• Droughts affect plant life and animals also need water to drink

• Droughts only affect plants

• Droughts are a dangerous period of extreme rainfall

• Animals die of thirst

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

• Brown bears hibernate during the winter while hawks remain active.

• Pesticides in the fish population affect hawks’ eggs and decrease their population.

• Both brown bears and hawks feed on the same species of fish.

• Both Shanna and Savanna feed on the same species of snakes.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4