Symbiotic Relationships

In which type of symbiotic relationship do both species benefit (+,+) ?

• Commensalism

• Parasitism

• Mutualism

• Predation

In which type of symbiotic relationship does one species benefit while the other species is not affected (+, 0)?

• Commensalism

• Parasitism

• Mutualism

• Predation

In which type of symbiotic relationship does one species benefit while the other species is harmed (+,-)?

• Commensalism

• Parasitism

• Mutualism

• Predation

True or False: Symbiosis only works with animals.

• True

• False

Tags

NGSS.MS-LS2-2

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

Yucca flowers are pollinated by yucca moths. The moths lay their eggs  in the flowers where  the larvae hatch and eat some of the developing seeds. Both species benefit.  

• Mutualism 
• Parasitism 
• Commensalism 

Tags

NGSS.MS-LS2-2

Overall, all the interactions between organisms in ecosystems...

• Keep ecosystems & populations unstable and random

• Keep ecosystems & populations stable and balanced

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is NOT a symbiotic relationship?

• Competition

• Commensalism

• Mutualism

• Parasitism

How does competition between organisms maintain ecosystem stability and biodiversity?

• The winners of the competition increase in population size and dominate the ecosystem

• Both organism populations become stronger and larger as a result of the competition

• The population sizes are kept in check due to limited resources

• All of the above are true

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Commensalism is a symbiotic relationship in which what occurs between the organisms?

• both organisms are harmed

• one benefits, the other is unaffected

• one benefits, the other is harmed

• one benefits by eating the other

Tags

NGSS.MS-LS2-2