Exploring Ecosystem Competition and Relationships

What happens to an ecosystem if one species becomes extinct?

• New species immediately replace the extinct one

• Only the extinct species is affected

• It affects the entire ecosystem

• Nothing changes

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is a biotic factor in an ecosystem?

• Plants

• Sunlight

• Water

• Temperature

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

What is an abiotic factor?

• Animals

• Microbes

• Rocks

• Plants

Tags

NGSS.MS-ESS2-2

What defines a population in an ecosystem?

• All living and non-living things in an area

• A single organism

• A group of organisms of different species

• A group of organisms of the same species

Tags

NGSS.MS-LS4-4

What is a niche in an ecosystem?

• The physical space an organism occupies

• The role an organism or population plays in its environment

• The food an organism eats

• The temperature range an organism can tolerate

Tags

NGSS.MS-LS2-2

What is intra-specific competition?

• Competition within the same species

• Competition for abiotic factors

• Competition between different species

• Competition for non-essential resources

Which of the following is an example of inter-specific competition?

• Two different species of plants competing for sunlight

• A plant relying on insects for pollination

• Two male lions fighting for territory

• A lion hunting a zebra

Tags

NGSS.MS-LS2-2

What is mutualism?

• A relationship where one species benefits and the other is unaffected

• A relationship where neither species benefits

• A relationship where both species benefit

• A relationship where one species benefits and the other is harmed

Tags

NGSS.MS-LS2-2

Which of the following is an example of mutualism?

• A lion hunting a zebra

• A bird building a nest in a tree

• Two plants competing for sunlight

• A plant and an insect relying on each other for survival

Tags

NGSS.MS-LS2-2

What is the relationship called when two species benefit from each other?

• Parasitism

• Commensalism

• Mutualism

• Predation