Symbiosis

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. 

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS1-4

Ostriches and gazelles feed next to each other. They both watch for predators. Because the visual abilities of the two species are different, they can each identify threats that the other animal may not see as readily. Both species benefit. This is an example of which type of symbiosis?

• Commensalism

• Mutualism

• Parasitism

Tags

NGSS.MS-LS2-2

A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• predation

a relationship that occurs when two or more organims of the same species need the same resource at the same time

• competition
• symbiosis
• predation

Tags

NGSS.MS-LS2-1

A bear waits at the top of a river to eat salmon. What type of symbiosis is this?

• Community

• Parasitism

• Mutualism

• Predation

What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  

• commensalism
• mutualism
• parasitism
• predation

Which symbols best describe commensalism?

• +,+
• +,-
• +,0
• 0,0

Tags

NGSS.MS-LS2-2

A bear hunts for a fish down by the river and captures one. Which type of symbiotic relationship is described?

• Commensalism

• Parasitism

• Mutualism

• Predation

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

In which type of symbiotic relationship does the predator eat it's prey?

• Commensalism

• Parasitism

• Mutualism

• Predation