6EF Formative - symbiosis and primary/secondary succession

Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales. 

• parasitism
• commensalism
• mutualism

Tags

E

Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 

• parasitism
• commensalism
• mutualism

Tags

E

1.  A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar. 

• commensal relationship 
• parasitic relationship 
• mutual relationship 

Tags

E

Match the type of symbiosis with the appropriate explanation.

• One helped and the other unaffected (+0)

• Mutualism

• 1 helped. 1 negatively affected. (+-)

• Parastism

• Both helped (++)

• Commensalism

Tags

E

A rock exposed by a melting glacier would exhibit what kind of ecological succession?

• primary

• secondary

• tertiary

• quaternary

Tags

6F

Which stage of succession would you find well adapted organisms?

• before the pioneer species appear

• a mature climax community

• after the pioneer species appear

• when small shrubs start to grow

Tags

6F

What is the main difference between primary and secondary ecological succession?

• Primary begins WITHOUT soil; Secondary begins WITH soil

• Primary is the first state and secondary is the second stage

• Primary builds plant community; secondary builds animal community

• Primary begins WITH soil; Secondary begins WITHOUT soil

Tags

6F

Which of the following is an example of primary succession?

• A.lichens growing on rocks following a volcanic eruption

• B.grasses growing after a forest fire

• C.oak trees replacing pine trees in a forest

• D. non-native species introduced into a climax community

Tags

6f