A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae feed not only on the actual vegetable matter, but also on the yeasts and microorganisms on the decomposing breeding substrate. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed on vegetable matter? Answer: comp
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae sustain themselves with the yeast and microorganisms on the decomposing breeding substrate rather than on the actual vegetable matter. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed only on yeasts and microorganisms? Answer: comp
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae sustain themselves with the actual vegetable matter, not on the yeasts and microorganisms on the decomposing breeding substrate. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed on vegetable matter? Answer: comp
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae feed not only on the actual vegetable matter, but also on the yeasts and microorganisms on the decomposing breeding substrate. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed only on vegetable matter? Answer: inventory
A:John Smith convinced the colonists of Jamestown that searching for gold was not taking care of their immediate needs for food and shelter. The lack of food security leading to extremely high mortality rate was quite distressing and cause for despair among the colonists. To support the colony, numerous supply missions were organized. Tobacco later became a cash crop, with the work of John Rolfe and others, for export and the sustaining economic driver of Virginia and the neighboring colony of Maryland. Plantation agriculture was a primary aspect of the colonies in the southeast US and in the Caribbean. They heavily relied on African slave labor to sustain their economic pursuits. B:Was the hard work of growing tobacco early on in Jamestown aided by having constant and adequate food for those working in tobacco fields? Answer: inventory
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae feed not only on the actual vegetable matter, but also on the yeasts and microorganisms on the decomposing breeding substrate. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed on yeasts and microorganisms? Answer: comp
A:John Smith convinced the colonists of Jamestown that searching for gold was not taking care of their immediate needs for food and shelter. The lack of food security leading to extremely high mortality rate was quite distressing and cause for despair among the colonists. To support the colony, numerous supply missions were organized. Tobacco later became a cash crop, with the work of John Rolfe and others, for export and the sustaining economic driver of Virginia and the neighboring colony of Maryland. Plantation agriculture was a primary aspect of the colonies in the southeast US and in the Caribbean. They heavily relied on African slave labor to sustain their economic pursuits. B:Did persons in Jamestown generally have as many helpings of food during their meals, even early on in the settlement, as they wanted? Answer: inventory
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae feed not only on the actual vegetable matter, but also on the yeasts and microorganisms on the decomposing breeding substrate. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed only on yeasts and microorganisms? Answer: inventory
A:"Drosophila" species vary widely in their reproductive capacity. Those such as "D. melanogaster" that breed in large, relatively rare resources have ovaries that mature 10–20 eggs at a time, so that they can be laid together on one site. Others that breed in more-abundant but less nutritious substrates, such as leaves, may only lay one egg per day. The eggs have one or more respiratory filaments near the anterior end; the tips of these extend above the surface and allow oxygen to reach the embryo. Larvae sustain themselves with the yeast and microorganisms on the decomposing breeding substrate rather than on the actual vegetable matter. Development time varies widely between species (between 7 and more than 60 days) and depends on the environmental factors such as temperature, breeding substrate, and crowding. B:Do larvae feed on yeasts and microorganisms? Answer:
comp