GHS Ecology

Low availability of which element could be a limiting factor in a plant community?

• nitrogen

• argon

• mercury

• sodium

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In the nitrogen cycle, what do bacteria that live on the roots of plant do?

• break down nitrogen compounds into nitrogen gas

• remove nitrogen compounds

• change nitrogen gas into plant proteins

• change nitrogen gas into ammonia

Tags

NGSS.MS-LS2-3

How is carbon dioxide released into the atmosphere?

• Vehicle emissions

• Photosynthesis & respiration

• Denitrification

• Nitrification

How is carbon dioxide removed from the air?

• the burning of fossil fuels

• the burning of trees

• plants during photosynthesis

• animals during respiration

Tags

NGSS.MS-LS1-6

What is a relationship in which one organism is helped and another organism is neither helped nor hurt?

• Mutualism

• Parasitism

• Competition

• Commensalism

What is a form of symbiosis in which both organisms benefit?

• Mutualism

• Parasitism

• Commensalism

• Predation

What is a type of symbiosis in which one organism benefits and the other is harmed?

• Mutualism

• Parasitism

• Commensalism

• Succession

What is an example of an abiotic factor in an ecosystem?

• a rabbit

• water

• a mushroom

• a bacteria

Tags

NGSS.MS-LS2-3

Which group in an area makes up a community?

• niche

• population

• ecosystem

• habitat

What does an ecosystem include?

• All members of one species

• All living and nonliving factors in an environment.

• All parts of the earth where life exists.

• All members of a species in the same area.

Tags

NGSS.MS-LS2-3