Relationships in Ecosystems

A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism

• competition

• predator/prey

• parasitism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

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

• commensalism
• mutualism
• parasitism
• predation

A relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

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

Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition

Tags

NGSS.MS-LS2-2

A relationship between two organisms in which one organism benefits and the other is harmed.

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).

• Mutualsim

• Parasitism

• Commensalism

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

Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants.

• Mutualism

• Parasitism

• Commensalism

Tags

NGSS.MS-LS2-2