Determination of specific cells for certain functions changes resulting from induction the occurrence of mRNAs for the production of tissue-specific proteins changes in the size and shape of the cell cell.
1. (Carnivorous) They don't rely as much on the mechanical breakdown of foods in the mouth as much as they usually eat their prey whole. They also have U-shaped stomachs.They regurgitate indigestible things (e.g. Large Bones). They have shorter, spiralling intestines, but this means it also has a large surface area.
2. One difference is that humans have lungs so that is used to oxygenate the blood while shark has gills. Another difference is that Sharks use the heat from their muscles, so rather then expelling it into the outside environment that actually use that to heat their blood and transfer the heat from warmer blood to passing colder blood.
3. I positioned my shark to be dorsal side up and have its ventral side facing down.
4. The pectoral girdle is in a location where the cartilage is very thick.
Some of the advantages of this is you get to have more control of the event that transpire as well as being able to study and observe said events closer. a Disadvantage would be that you're not able to the real thing as in what would actually happen naturally for example if you set up an aquarium it may have a negative affect on the fish or the fish may act a different way in the smaller space as it wouldn't be used to it.
Hope this help! :)
Answer:
It is a negative feedback loop.
Explanation:
True. Artificial selection can cause defects ect.