The answer for your question is A.
Answer:
3
Explanation:
An hypothesis is a proposed explanation to an observation or an intelligent guess about a phenomenon made with little evidence at the beginning before proceeding to do further investigation or research. The most appropriate way to scientifically evaluate the hypothesis is to scatter seeds in several areas of the meadow and observed whether they will start to grow.
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
