Lost King asked:


a) The sporophyte is dependent on the gametophyte.
b) The sporophyte is large, and the gametophyte is small and independent.
c) The gametophyte is reduced and dependent on the sporophyte.
d) The spore is the main means of dispersing the offspring.
e) A film of water is necessary for ***** to come in contact with eggs.

Please explain your answer. Any additional information is greatly appreciated. Thank you in advance!!

Ellen

sherwindf_ramos13 asked:


some one said that mahogany extracts from its seed can be made as a botanical insecticides. I just want to know what are the chemicals or substance that is present on the extract of mahogany from its seeds that can make it an insecticides and the people or scientist that give and study this information.

Troy