Population and resources study quiz

What is symbiosis?

• A relationship between two species

• Competition

• Being the best

• 2 organisms living in different places

When you have a relationship in which both species benefit, this is called?

• predation

• mutualism

• commensalism

• parasitism

When you have a relationship between species in which one benefits, and one is neutral, this is?

• predation

• parasitism

• commensalism

• mutualism

A symbiotic relationship that involves a parasite and a host is called?...

• mutualism

• commensalism

• predation

• parasitism

When two of the same species work against each other for the same resources, this is called...?

• symbiosis

• commensalism

• parasitism

• competition

A human hunts and eats an elk. What type of relationship is this?

• predation

• parasitism

• competition

• symbiosis

Ants eat honeydew secreted from an aphid. The ant provides protection for the aphid. This is....?

• competition

• predation

• mutualism

• commensalism

A shark is followed by smaller fish that eat the scraps the shark leaves behind. This is...? (The shark is not helped or harmed.)

• mutualism

• competition

• predation

• commensalism

A bird is observed going into a crocodiles mouth and eating leeches (which harm the crocodile). The bird is not eaten. What type of symbiotic relationship is this?

• mutualism

• commensalism

• predation

• competition

Mutualism is a symbiotic relationship in which...

• both species benefit

• both species are harmed

• one is harmed, the other is helped

• one benefits, the other is neutral