Plant Defense Responses Flashcards
What are axillary buds?
give plants a second chance as they grow out and replace lost shoot
What are a plant’s biggest problem that leads to death?
insects
What is the first line of defense for plants?
dermal tissue system
What are some other defenses that the dermal tissue system provide?
epidermal cells throughout plant secrete wax to protect plant, above-ground parts covered with cutting, silica inclusions, trichomes, bark, and even thorns can also offer protection
T/F Plants produce toxins that kill herbivores.
True
What are tannins?
bind to proteins and disrupt predators digestive system, plant nutritional value for animals declines
What are allopathic plants?
secrete chemicals to block seed germination or inhibit growth of nearby plants, minimizes competition for resources
Secondary growth of plants result form cell division in which type of meristem?
lateral meristem
Which of the following cell types is not designed for transport?
sclerenchyma
A plant will usually wilt when which component of water potential reaches 0 MPa?
turgor pressure
In a wind-pollinated flower, which of these flower parts would probably be inconspicuous or missing?
petals
The androecium is considered a specialized organ that bears what?
microsporangia of angiosperms
