Biotic Factor

What terms should replace X and Y in the table?

• elements; compounds

• abiotic; biotic

• microscopic; macroscopic

• natural; man-made

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which statement below refers only to biotic components in an ecosystem?

• Evaporation, transpiration, and precipitation are complex processes that cycle water between the atmosphere and the Earth's surface.

• Photosynthesis and respiration are not considered atmospheric processes.

• Vegetation is an indicator of several environmental factors, including precipitation, temperature, soil, geology, and wind.

• In Yellowstone Park, shrubs have expanded their range into large areas formerly populated by short grasses, due to overgrazing and trampling by livestock.

What is a biotic factor?

• A living factor of the environment

• A non- living factor of the environment

• The indication of water quality in a lake/ocean

• Factor that affects survival rates of plants

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

The _____________ is the predator and the ____________ is the prey

• Wolf, salmon

• Salmon, wolf

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is mutualism?

• A relationship between two organisms where they both benefit

• A relationship where one organism lives in another organism

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

• A relationship where one organism kills and eats another organism

Tags

NGSS.MS-LS2-2

Pollination is an example of

• Parasitism

• Commensalism

• Mutualism

• Interdependence

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-2

An owl living in the hollow of a tree can be described as

• Parasitism

• Mutualism

• Commensalism

• Interdependence

Interdependence is

• An abiotic factor

• When a second order consumer preys on a first order consumer

• A relationship where organisms affect each other's survival

• The relationship between a parasite and a host

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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

• Sunlight

• Temperature

• Bacteria

• Water

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

How do biotic factors affect the population of a species in an ecosystem?

• They provide energy through photosynthesis

• They compete for resources

• They regulate climate

• They decompose organic matter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4