Angiosperms and Their Ecological Roles

Flowering plants, or angiosperms, are vital to our environment, providing beauty and essential food sources like wheat, corn, and rice. They have evolved to attract animals for pollination and seed dispersal. Angiosperms are diverse, with species ranging from towering trees to tiny floating plants.

What would be a major consequence of a world without flowering plants?

• Lack of oxygen

• Absence of vibrant colors

• No rainfall

• Increased animal population

Which of the following is NOT a basic food derived from flowering plants?

• Rice

• Corn

• Fish

• Wheat

How have flowering plants adapted to life on land?

• By producing more seeds

• By growing in water

• By evolving alongside animals

• By developing roots

What role do the colors and aromas of flowers play in nature?

• They repel predators

• They attract pollinators

• They provide shade

• They store water

How do animals contribute to seed dispersal?

• By carrying seeds in their fur

• By watering the seeds

• By eating the seeds

• By planting seeds

Approximately how many plant species are angiosperms?

• 100,000

• 200,000

• 275,000

• 300,000

Into how many families are angiosperms divided?

• Several hundred

• Several dozen

• Several thousand

• Several million

Which of the following is a characteristic of some angiosperm trees?

• They do not produce flowers

• They only grow in water

• They can challenge conifers in size

• They are always small

What is a unique feature of some floating angiosperms?

• They produce large fruits

• They grow only in deserts

• They are little more than drifting leaves

• They have deep roots