Ecology Facilitation

What percentage of plant species depend on insects to transfer pollen from one individual to another?

• 50%

• 75%

• 85%

• 95%

What is the main benefit that ants receive from their mutualistic relationship with aphids?

• Protein-rich granules

• Nectar from extrafloral nectaries

• Honeydew for food

• Protection from predators

What is the term used for mutualism where neither species can live without the other?

• Facultative

• Defensive

• Dispersive

• Obligate

What do leaf-cutting ants provide to the fungus they cultivate in return for food?

• A substrate for growth

• Protection from predators

• Carbohydrates and vitamins

• Nutrient-rich elaiosome

In the mutualistic relationship between corals and dinoflagellates, what do the dinoflagellates provide to the corals?

• Oxygen and nutrients

• Protein-rich granules

• Honeydew for food

• CO2 and waste products

What happens to corals during coral bleaching?

• They expel the dinoflagellates

• They turn black in color

• They grow at a faster rate

• They increase in size

What type of mutualism involves species that can obtain resources better together than alone?

• Resource-based

• Defensive

• Obligate

• Dispersive