REVIEW & REHEARSE 19 PLANTS RESPOND TO THEIR ENVIRONMENTS
REVIEW & REHEARSE 19 PLANTS RESPOND TO THEIR ENVIRONMENTS
Q
Flowers or leaves that fold up in response to touch are most likely exhibiting:
- a) a chemical defense.
- b) a mechanical defense.
- c) mimicry.
- d) a mutualism with defensive insects.
- e) camouflage.
What adaptations have occurred in desert plants that reduce the impact of the hot, dry environment?
- a) thick, fleshy, water-
storing leaves and stems - b) a strong and deep taproot
- c) seeds that can remain dormant for long periods of time
- d) All of the above are correct.
- e) Only a) and c) are correct.
Which of the following is not a plant defense mechanism?
- a) sticky sap
- b) thorns
- c) mimicry
- d) toxin secretion
- e) increased nitrogen concentrations
