Ecology

Which of the following are examples of a density independent factors?

• forest fire

• seasonal cycles

• storms

• disease

Tags

NGSS.MS-ESS3-2

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters

Tags

NGSS.MS-LS2-4

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

• Squirrel Population
• Sunlight
• Grass available

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

High biodiversity is a sign of a healthy ecosystem.

• True

• False

Tags

NGSS.MS-LS2-5

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

What is a producer?

• an organism that gets energy from eating other organisms

• an organism that uses sunlight or chemical energy to make its own food

• an organism that gets energy from eating dead organisms, non-living material or waste

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is a species?

• Different animals that compete for the same resources

• A group of similar organisms that can reproduce with each other

• A group of organisms that live together

• A group of organisms that are physically and functionally very different from each other

What is a niche?

• The habitat that an organism lives in

• An organism’s “role” in an ecosystem

• A type of consumer

• The relationship between a producer and consumer

In this photo, what is an abiotic factor?

• Deer

• Grass

• rain

Tags

NGSS.MS-LS2-3