How might the timing of when fruit ripens be important in the sympatric speciation of fruit maggot flies?

a)apple fruit ripening earlier allows for increased reproductive output for the flies.
b)apple fruit ripens earlier than hawthorn fruit, allowing the apple flies to immediately mate with the later-emerging hawthorn flies.
c)apple fruit ripens earlier than hawthorn fruit, reducing the interaction of the fly species in time.
d)apple fruit ripening earlier is a vicariant event.

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative