1.What organ is characteristic of mollusks? 2. What is the chief advantage that the eye of a dragonfly has over the eye of a hawk? 3. Although amphibians were the first animals to move onto dry land, they were still dependent on water for reproduction and lor respiration. What evolutionary adaptations allowed reptiles to bec ...continues
Describe the differences and similarities in the development of invertebrates and vertebrates.
Describe the differences and similarities in the development of invertebrates and vertebrates.
"Neuron 1" directly innervates a spinal cord motor neuron that projects onto a muscle in the left back flipper (of a sealion). Assuming that segmentation of the spinal cord follows a similar pattern in all mammals, approx in which of the 4 major regions of the spinal cord and within which spinal cord structure would you expe ...continues
In a can of sardines, are there any organs?
In a can of sardines, there are about 3 to 4 sardines. If you lay a sardine on its back and spread it apart (filet), there is a piece of "meat" near the top (head portion) of the sardine. It looks different than the meat, tastes different and the texture is different than the meat. Does anyone know what this piece is? Is ...continues
