SYMBIOTIC RELATIONSHIPS

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• 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 parasitism?

• +,+
• +,-
• +,0
• -,0

Red-billed oxpeckers are birds that often feed on parasites that harm large herbivores. This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

• host, hostess
• parasite, host
• host, parasite
• prey, predator

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation

• Parasitism

• Commensalism

• Mutualism

What type of symbiosis is this?

*Hermit crabs find shells left by snails that have died and they move in.

* Snails die and leave behind their shells.

• commensalism

• mutualism

• parasitism

• predation

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism