Populations and Communities

An example of a predator/prey relationship is

• zebras and oxpecker birds

• a giraffe eating leaves on a tree

• polar bear and a harp seal

• tick and a deer

Tags

NGSS.MS-LS2-2

If a herd of African zebra were placed in a field with a herd of American horses, what would likely happen?

• they would compete for the same resources

• there would be a predator-prey situation occurring

• there would be absolutely no change

• they would run out of air to breathe

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

An interacting group of various species in a common location.

• population

• community

• ecosystem

• ecology

Tags

NGSS.MS-LS2-2

The number of organisms of the same species that live in a particular geographic area at the same time.

• population

• community

• ecosystem

• ecology

Any living component that affects another organism or shapes the ecosystem.

• habitat

• biotic factor

• abiotic factor

• species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

which of the following is a biotic factor?

• temperature

• sunlight

• bacteria

• water

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

the study of how living things interact with each other and the environment is called...

• Economy

• Ecology

• Eco-friendly

• Biodiversity

Tags

NGSS.MS-LS2-2

All the members of one ______________ living in a particular area make up a population.

• habitat

• city

• species

• neighborhood

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

If you count 20 beetles in a garden measuring 5 square meters, the

population density of the beetles is

• 100 beetles per square meter

• 20 beetles per square meter

• 5 beetles per square meter

• 4 beetles per square meter

A hawk building its nest on an arm of a saguaro cactus is an example of

• commensalism

• mutualism

• parasitism

• predation