Ecological Stability: Cause and Effect

Ecological Stability: Cause and Effect

Multiple Choice

The meaning of "equilibrium" is most similar to -

• dysfunction

• content

• complicated

• balanced

Multiple Choice

A flood would be an...

• Abiotic factor

• Biotic factor

Multiple Choice

A swarm of locusts, a common nuisance in East African countries, is considered a...

• Abiotic factor

• Biotic factor

Multiple Select

Starfish are a keystone species. Check ALL the species that would be most directly affected if starfish were eliminated:

• Limpets

• Mussels

• Acorn barnacles

• Whelk

• Gooseneck barnacles

Multiple Choice

A species that enters a new ecosystem AND causes harm to the native species is called a-

• invasive species

• pioneer species

• keystone species

• native species

Multiple Choice

If the MOUSE disappeared from this food chain, which organism would have less to eat?

• grass

• grasshopper

• mouse

• owl

Multiple Choice

If there was an increase in the Owl population, which organism would decrease?

• grass

• grasshopper

• mouse

• owl

Multiple Choice

Which of these is NOT an impact to the ecosystem after a hurricane?

• Flooding of the ecosystem

• Erosion of beaches

• Poor water quality in the area

• Fires through the vegetation