U4L2: Ecosystem Dynamics

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

• Mutualism

• Commensalism

• Parasitism

Which type of symbiosis involves both species benefitting? +/+

• 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

Lichen is a pioneer species in which type of succession?

• Primary

• Secondary

• Both

The first species to populate an area after a disturbance is called:

• A pioneer species

• A pilgrim species

• A founder species

• A primary species

Biodiversity revers to

• Extinct species

• Nonrenewable resources

• The variety of species on Earth

• The rate of species decline

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-1

Term for non-living things

• Abiotic

• Biotic

• So sad

• Too bad

Tags

NGSS.MS-LS2-3

A species’ _________ is its unique role and position in its ecosystem

• Niche

• Habitat

• Ecosystem

• Livelihood