Ecosystems

Ecosystems include all of the following except...

• Populations

• Habitat

• Abiotic factors

• Biotic factors

• Biosphere

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Select all Abiotic factors that contribute to an ecosystem. (Select ALL that apply)

• Soil

• Wind

• Trees

• Sunlight

• Air

Tags

NGSS.MS-ESS2-4

Select all Biotic factors that contribute to an ecosystem. (Select ALL that apply)

• Insects

• Wind

• Trees

• Sunlight

• Birds

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

How does natural selection select for specific traits in a species?

• Traits that increase their chance of survival

• Traits that increase their chance of attracting a mate

• Traits that increase their chance of passing down their genes

• All of the above

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Humans have a large effect on ecosystems.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A flea lives on a dog. It bites the dog to get nutrients. What kind of relationship is this?

• Mutualism
• Predation
• Parasitism
• Interspecific competition

A bee lands on a flower. The bee gets food from the nectar. The flower gets pollinated. What kind of relationship is this?

• Interspecific competition
• Intraspecific competition
• Mutualism
• Commensalism

A small bird called an ibis stands on a crocodile’s mouth.  The crocodile does not eat the ibis.  Instead, the bird eats the bacteria and algae off of its teeth. What kind of relationship is this?

• Commensalism
• Mutualism
• Predation
• Parasitism

A person eats meat that has tapeworm eggs in it.  The tapeworm grows and lives inside the person’s intestines.  The person eats but never gets any energy from the food because the tapeworm gets it.

• Parasitism
• Predation
• Interspecific competition
• Intraspecific competition

Tags

NGSS.MS-LS2-3

A clownfish hides from predators in the stinging cells of a sea anemone.  The anemone does not hurt the clownfish.  The clownfish does not eat the anemone or help the anemone.

• Mutualism
• Commensalism
• Parasitism
• Predation