Interactions within Ecosystems.

What is the relationship between the barbel fish and the hippo?

• Barbel shrimp eat the parasites off of hippos. Hippos get themselves cleaned up.

• Hippos eat the parasites off of barbel fish. Barbel fish get themselves clean.

• Hippos eat the barbel fish

• Barbel fish eat the hippos

What does symbiosis mean?

• Close, long-term relationship between 2 organisms.

• Close, long-term relationship between 3 organisms.

• Close, long-term relationship between 4 organisms.

• Close, long-term relationship between 5 organisms.

When do symbiotic relationships occur?

• 2 organisms who live in direct contact and form a relationship

• 3 organisms who live in direct contact and form a relationship

• 4 organisms who live in direct contact and form a relationship

• 5 organisms who live in direct contact and form a relationship

True or False: All communities around the world have symbiotic relationships.

True or False: Corals also have symbiotic relationships

What does commensalism mean?

• Harms one benefits the other

• Benefit both animals

• Benefits one other stays neutral

• Benefits one harms other

True or False: The African Oxpecker is a friend

What does mutualism mean?

• Benefits both

• Benefits one other stays neutral

• Benefits one other harmed

• None of the above

What is the definition of parasitism?

• Benefits both

• Benefits one other stays neutral

• Benefits one harms other

• None of the above

What is the definition of predator-prey

• Predator eats prey

• Prey eats predator

• Both

• None