The developement of fruit without pollination, resulting in seedless fruit is called . A)
genetic engineering
B)
parthenocarpy
C)
biomagnification
D)
epiphysis
E)
browsing

B) parthenocarpy

Explanation:

Parthenocarpy is the development of fruit without fertilization of seeds. Another biological mechanism stenospermacarpy also produces seedless fruits, but here the seeds are aborted while they are still small. Some plants require pollination or stimulation for parthenocarpy.

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answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: