How do pitcher plants lure insects?
a) Bright colours and scented nectar attract insects.
b) Conine an active ingredient in the nectar paralyzes the insects.
c) The lid of the pitcher opens and closes at intervals.
d) All of the above
Answers
Pitcher plants are several different carnivorous plants which have modified leaves known as pitfall traps—a prey-trapping mechanism featuring a deep cavity filled with digestive liquid. The traps of what are considered to be "true" pitcher plants are formed by specialized leaves. The plants attract and drown their prey with nectar.[1]
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Pitcher of Nepenthes distillatoria. A: Honey-gland from attractive surface of lid. B: Digestive fluid from interior of pitcher, in pocket-like depression of epidermis, opening downwards. C: Transverse section same.
Scanning electron micrograph of a pitcher's inner surface
Pitcher plants growing in a bog in Pennsylvania's
Answer:
d) All of the above
Explanation:
The pitcher plants have bright colours and scented nectar like other plants and attract insects. Their is an active ingredient in the nectar that paralyzes the insects. And the lid of the pitcher opens and closes at intervals to trap the insect.