Have you thanked a plant today?

If you squished up all organic material on earth, _______ of it would be plants!

• 40%

• 60%

• 80%

• 90%

This plant is used to make clarinets.

• African blackwood

• Asian pear

• European redwood

• American chestnut

While many bedsheets are made of cotton, consider buying cloth made from ________. This plant is considered to be the most sustainable on earth! This plant requires no insecticide, no pesticide, and very little water to thrive.

• flax

• hemp

• bamboo

• seaweed

Which plant provides carnauba wax to coat dental floss?

• Coconut tree

• Palm tree

• Pine tree

• Pineapple tree

This revolution in human history describes the time when hunter gathers began cultivating plants and farming

• Neolithic

• Paleontological

• Cambrian

• Ordovian

Heroine is a dangerous and addictive drug derived from morphine which itself comes from this unsuspecting flower.

• 
• 
• 
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Vascular plants have three main parts: leaves, roots, stems. The bulb of an onion plant would technically be made of the ________ of the plant.

• leaves

• stems

• roots

Vascular plants have internal structures called xylem that transport water from roots up to the stems and leaves of the plant. They also have ________ that transports sugars from photosynthesis into the roots.

• phloem

• glycolem

• chlorolem

• astrolem

What is the function of these openings?

• animal reproduction

• puncture wounds

• poison secretion

• gas exchange

Scientists hypothesize that ancient earth used to be a very different color than it is today. Data suggests that 2.4 - 3 billion years ago photosynthetic organisms used a retinal pigment to absorb light. This pigment absorbed mostly green and yellow light and so it appeared _______ .

• yellow

• purple

• brown

• white