Symbiosis

Ticks feed on deer blood with harms the deer.

• Mutualism

• Commensalism

• Parasitism

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers. Both species benefit.

• Mutualism

• Commensalism

• Parasitism

Hermit crabs live in shells made and then abandoned by snails.

• Mutualism

• Commensalism

• Parasitism

Mistletoe extracts water and nutrient from the spruce tree it is attached to.

• Mutualism

• Commensalism

• Parasitism

Symbiotic relationships ​ (a)   biodiversity​ because, often, the different species support each other to thrive and survive.

• increase
• decrease

A cowbird lays its eggs in the nest of another bird. The other bird expends energy to take care of the baby, finding it food until it's big enough to leave the next. What kind of relationship is this?

• parasitism

• mutualism

• commensalism

• competition

Barnacles create home sites by attaching themselves to whales.

• Mutualism

• Commensalism

• Parasitism

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

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition