Unit 5 Review Quiz

Mutaulism is when

• Both species benefit from the relationship
• One species benefits and the other is harmed in the relationship
• One species benefits and the other is not impacted in the relationship
• Both species are hurt by the relationship

Parasitism is when

• Both species benefit from the relationship
• One species benefits and the other is harmed in the relationship
• One species benefits and the other is not impacted in the relationship
• Both species are hurt by the relationship

Commensalism is when

• Both species benefit from the relationship
• One species benefits and the other is harmed in the relationship
• One species benefits and the other is not impacted in the relationship
• Both species are hurt by the relationship

An example of an abiotic factor is

• Disease
• Leaf
• Tree
• Air

An example of a biotic factor is

• Disease
• Water
• Nutrients
• Air

A predator has what relationship with prey?

• increase the amount of prey, which will eventually increase predator populations
• increase the amount of prey, which will eventually decrease predator populations
• decreases the amount of prey, which will eventually decrease predator populations
• decreases the amount of prey, which will eventually increase predator populations

A density dependent facor is

• factors that affect a population due to its actual size
• factors that affect a population regadless of size

A density independent factor is

• factors that affect a population due to its actual size
• factors that affect a population regadless of size

A symbiotic relationship is...

• a close relationship befween a single species
• a relationship that is always positive for species
• a relationship that is always a predator/prey relationship
• a close relationship befween pairs of species

What is the following an example of? A bird eating bugs off a crocodile. Bird gets food, crocodile does not care

• Commensalism
• Mutualism
• Parasitism
• Predator/Prey