What tree did this leaf come from? (A)
Bur Oak
What are 3 threats to trees?
pests, common tree diseases, extreme weather, logging, deforestation, and the destruction of urban parks
What is photosynthesis?
Trees take in sunlight and CO2 and to make energy for themselves and release O2
What tree did this come from? (B)
Quaking Aspen
What are 4 things trees need to grow?
Sunlight, water, soil (nutrients), CO2
How many trees are on earth (according to the video)?
3 trillion!
What tree did this come from? (C)
American Elm
What are the function of roots?
absorb water and nutrients from the soil
What is one thing the world has that cools the climate?
Forests
What tree did this come from? (D)
What are some challenges trees face in the city? (2 things)
no space (sidewalks, roads, etc.), trash, dogs, lack of water
What makes leaves green?
Chlorophyll
What tree did this come from? (E)
Cottonwood
Why are trees important for the city? (2 reasons)
cool urban heat islands, improve air and water quality, reduce stormwater runoff, support wildlife, and boost physical and mental health
What is the greenhouse effect?
Gases in Earth's atmosphere trap heat, warming the planet