Ecology Terms part 3

Multiple Choice

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

• competition
• symbiosis
• predation

Multiple Choice

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

Multiple Choice

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

Multiple Choice

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0

Multiple Choice

Which symbols best describe parasitism?

• +,+
• +,-
• +,0
• -,0

Multiple Choice

Which symbols best describe commensalism?

• +,+
• +,-
• +,0
• 0,0

Multiple Choice

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

Multiple Choice

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

• Mutualism

• Competition

• Parasitsm

• Commensalism

Multiple Choice

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

• Mutualsim 
• Parasitism 
• Commensalism 

Multiple Choice

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

• Mutualsim 
• Parasitism 
• Commensalism 

Multiple Choice

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

• Mutualism

• Parasitism

• Commensalism

• Predation

Multiple Choice

Ostriches and gazelles are two animals that live in Africa. They graze for food near each other because they help each other spot predators. The gazelle has excellent eyesight, but poor hearing, and the ostrich has excellent hearing, but poor eyesight. These two animals will alert one another when danger is near. Which term best describes this relationship?

• Predation

• Commensalism

• Mutualism

• Parasitism

Multiple Choice

A cuckoo and a warbler are both birds. A cuckoo will find the nest of warbler instead of building her own, and she harms the warbler by knocking a warbler egg out of nest and laying her own. When the warbler mother returns, she isn’t aware of the switch. The warbler will then raise the baby cuckoo bird instead of her own baby. Which term best describes this relationship?

• Predation

• Parasitism

• Commensalism

• Mutualism