Chapter 1
The inner engine of plants
View / Create
Answer
Chapter 2
The wild world of plant romance
View / Create
Answer
Chapter 3
Extreme survivors of the plant kingdom
View / Create
Answer
Chapter 4
Plants that shaped human history
View / Create
Answer
YOUR GOAL
Master of The essentials of botany
Ch 2 · The wild world of plant romance
sonia Double fertilization
Pollen tube grows down, Two sperm arrive, One makes the embryo, The other helps it thrive!
Fun Fact
Exploding seed pods: The sandbox tree of South America produces seed pods that explode with a loud bang, shooting seeds outward at speeds up to 150 miles per hour.
Glossary
pollination (noun)
The transfer of pollen from the male organ of a flower to the female organ, enabling fertilization. In 1793, German naturalist Christian Konrad Sprengel established that insects are essential for this floral fertilization.
The transfer of pollen from the male organ of a flower to the female organ, enabling fertilization. In 1793, German naturalist Christian Konrad Sprengel established that insects are essential for this floral fertilization.
Quiz
Flowering plants, which evolved around 140 million years ago, are scientifically known as what?
Quiz
The orchid Ophrys apifera is famous for securing pollination by mimicking which animal?
Quiz
When a caterpillar chews on a lima bean leaf, what does the plant's chemical signal attract?
Quiz
What airborne chemicals do plants release to warn neighboring plants of an insect attack?
Quiz
What type of asexual reproduction involves horizontal above-ground stems, like those found in strawberries?