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Quiz time! . Have a piece of paper out to write your answers in case the technology goes wonky. Is it Friday yet?. Yes!. Do we have labs next week?. No. 1. You find a piece of balsa wood in a craft store and see that it has no tree rings. Why?.
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Quiz time! Have a piece of paper out to write your answers in case the technology goes wonky.
Is it Friday yet? • Yes!
1. You find a piece of balsa wood in a craft store and see that it has no tree rings. Why? • It’s not a true wood, but actually a grass. • Balsa trees grow in tropical rain forests, where the seasons change little. • It grows in harsh, dry conditions. 30 Countdown
2. A plant with three petals, three sepals, and parallel veins in its leaves is most likely a: • Dicot • Monocot • Conifer • Non-flowering plant 30 Countdown
3. Plants grow from the tips. If you carve your initials in a tree 3 feet above the ground, where will they be in 10 years? • Higher than 3 feet. • Lower than 3 feet. • Still at 3 feet. 30 Countdown
4. Wood is made entirely of xylem. What must its function be? • Moving sugars • Moving water • Moving sugar and water 30 Countdown
5. Roots have lots of root hairs in order to: • Increase surface area for absorbing water. • Protect the plant roots from abrasion. • Insulate the root from the cold. 30 Countdown
6. Name the part of the leaf indicated: • Epidermis • Vascular bundle • Stomata • Mesophyl 30 Countdown
7. What is unique about cells in plant meristem? • They store food. • They carry out rapid photosynthesis. • They transport sugars. • They undergo frequent cell division. 30 Countdown
8. The red “x” of tissue in the middle of this root is: • Endodermis • Pith • Xylem • Phloem 30 Countdown