Siphonogamy and the Seed. Which one came first?
-- Define and briefly discuss both siphonogamy and the seed.
-- Which do you think came first?
I have a good start on the definitions, but please reword or (briefly) add to them to make them complete:
A seed is: a fertilized, integumented, (Sterile covering/coating. Provided by diploid parent) undehiscing (non-splitting. Does not split open for sperm) megasporangium. (Place where meiosis takes place to produce female eggs).
Siphonogamy: the process of getting a sperm to an egg without water
The solution explains in a logical easy to follow way, with the minimum of complex botanical vocabulary, how plants have evolved from the simplest water dependent mosses to the complex advanced flowering plants. The emphasis is on the reproductive mechanisms and how advances in the way that the male gamete developed to fertilise the female gamete independently of water as a vector.
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