No. Look up what a notochord is, vertebrates cannot have a notochord during embryonic development, as all nutrients flow into the blood stream, or stomach. Notochords are in between the mouth, and stomach. Which would NOT be used during development
More widely available food chain for other predators, an increase in population of the prey.
Polysaccharides are more difficult to digest then monosaccharides because they are much larger molecules.
Answer:
There are two people affected
Explanation:
The black shapes are affected people, the white ones are unaffected