Ecological Dynamics

Which type of symbiosis involves one species benefitting while the other is harmed? +/-

• Mutualism

• Commensalism

• Parasitism

Which type of symbiosis involves one species benefitting while the other is unaffected? +/0

• Mutualism

• Commensalism

• Parasitism

Which type of ecological succession begins on bare rock (no soil)?

• Primary

• Secondary

• Both

Which type of succession would occur here?

• Primary

• Secondary

• Both

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Lichen is a pioneer species in which type of succession?

• Primary

• Secondary

• Both

Both the lion and the cheetah eat some of the same prey in this ecosystem. Two organisms going after the same resource is known as

• Mutualism

• Parasitism

• Competition

• Commensalism

Barn owls hunt shrews. In this example what is a barn owl?

• Herbivore/Predator

• Carnivore/Prey

• Carnivore/Predator

Tags

NGSS.MS-LS2-2

When an organism's energy source comes from both animals and plants, that organism is considered to be a what?

• predator

• omnivore

• herbivore

• carnivore

What is a niche?

• The place or function of a given object within its ecosystem.

• The place or function of a given organism within its ecosystem.

• The natural home or environment of an animal, plant, or other organism.

• The natural home or environment of an object.

Deforestation has which of the following effects on the biomass and biodiversity of the plant and animal community in these ecosystems?

• biomass and biodiversity both increase

• biomass and biodiversity both decrease

• biomass increases but biodiversity decreases

• biomass decreases but biodiversity increases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4