Chapter 1
The inner engine of plants
Chapter 2
The wild world of plant romance
Chapter 3
Extreme survivors of the plant kingdom
Chapter 4
Plants that shaped human history
YOUR GOAL
Master of The essentials of botany
Ch 1 · The inner engine of plants
sonia The inner engine of plants
Green leaf, green leaf, feel the sun! / Making food and oxygen, for everyone! (Oh yeah!)
sonia Microscopic pores called stomata open and close to exchange gases and regulate water loss.
sonia Xylem transports water upward from the roots, while phloem distributes sugars made in the leaves downward.
Fun Fact
Plant electricity: When a Venus flytrap is triggered, it generates tiny electrical signals similar to the nerve impulses in animals, even though plants do not have brains.
Glossary
photosynthesis (noun)
The process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water. Dutch scientist Jan Ingenhousz discovered in 1779 that plants require light to fuel this process.
The process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water. Dutch scientist Jan Ingenhousz discovered in 1779 that plants require light to fuel this process.
Quiz
What underground fungal network helps plant roots absorb water and nutrients like phosphorus?
Quiz
What is the name of the plant tissue that transports water upward from the roots to the leaves?
Quiz
What are the microscopic pores on the undersides of leaves that regulate gas exchange called?
Quiz
Which plant organelles contain the green pigment chlorophyll and perform photosynthesis?
Quiz
Which plant tissue is responsible for distributing sugars made during photosynthesis to the rest of the plant?