10 Questions
How many accepted species of plants are there, with the majority producing seeds?
382,000
When did the first land plants appear?
450 million years ago
What is the branch of biology that focuses on the scientific study of plants?
Botany
What was the name of the kingdom created by Linnaeus for the plant kingdom?
Vegetabilia
What is the main activity of green plants that supplies the energy for most of Earth's ecosystems?
Photosynthesis
Which organisms form the clade Viridiplantae (green plants)?
Green algae and embryophytes
What is the primary source of energy for plants?
Sunlight
What is the common factor among hornworts, liverworts, mosses, lycophytes, ferns, conifers, and flowering plants?
They all produce seeds
What is the primary function of chloroplasts in plants?
Produce sugars from carbon dioxide and water
How many known species of plants produce seeds?
260,000
Test your knowledge about the kingdom Plantae and the process of photosynthesis. Explore the characteristics and exceptions of plants, including parasitic plants that obtain energy from other sources.
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