Learn about the important plant functions of photosynthesis, respiration and transpiration and meet Dr. Smith, a professor of Plant Science at McGill University in Montreal.
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Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.
Green walls use plant processes to improve air quality in buildings.
How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!