What is the function of sori? a. sori release zygotes. b. sori release diploid sex cells. c. sori release new sporophytes. d. sori release haploid cells.

D Sori release haploid cells

Sori are clusters of sporangia found only in ferns (singular: sorus). ... This is a specialized outgrowth of the leaf that functions in protection of the sporangia. This often has the shape of an upside down umbrella and shrivels before the spores are released.

so it's D. hope  this help brainliest will help me thanks :D

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."