Pollination and Mutualism

When did angiosperms appear in the fossil record?

• 160 million years ago

• 80 million years ago

• 40 million years ago

• 20 million years ago

What is an advantage of the mutualistic relationship between angiosperms and animals?

• The animals gain nutrient-rich foods, and the angiosperms' egg cells are fertilized.

• The animals benefit, but the angiosperms are neither helped nor harmed.

• The genetic diversity of both animals and angiosperms will increase.

• None of the above

What niche do nocturnal animals specifically fill as pollinators?

• They eat the nectar of angiosperm flowers.

• They fly from plant to plant.

• They pollinate the flowers that only open at night.

• They have a mutualistic relationship with angiosperms.

What animal is responsible for the pollination of the majority of the food sources in the United States?

• Bees

• Moths

• Beetles

• Birds

Which of the following is not an example of mutualism?

• Moths drinking nectar and pollinating night-blooming flowers

• Bees drinking nectar and pollinating many angiosperms of our food supply

• Beekeepers maintaining colonies of bees and moving them to different farms and orchards

• Conifers and grasses spreading their pollen with the wind

What type of relationship is described between flies and carrion flowers?

• Predation

• Parasitism

• Commensalism

• Competition

What is the main purpose of flowers for angiosperms?

• To attract pollinators

• To provide shade for the plant

• To store excess water

• To protect the plant from predators

What is the role of hummingbirds in pollination?

• They eat the nectar of angiosperm flowers.

• They fly from plant to plant.

• They pollinate the flowers that only open at night.

• They have a mutualistic relationship with angiosperms.

What is the role of flies in pollination?

• They eat the nectar of angiosperm flowers.

• They fly from plant to plant.

• They pollinate the flowers that only open at night.

• They have a mutualistic relationship with angiosperms.

What is the role of bees in pollination?

• They eat the nectar of angiosperm flowers.

• They fly from plant to plant.

• They pollinate the flowers that only open at night.

• They have a mutualistic relationship with angiosperms.