B. Clade 1 is ancestral to all the other clades
Answer:
Bubbles are nothing but the oxygen which arise around the green parts of the plant.
Answer:
They should think of an alternative explanation for their results.
Explanation:
The next step that the scientists should take is to interpret why their hypothesis went wrong. The researchers should look for patterns in their observations and provide an alternative explanation for the results which occurred. Based on the results and their understandings, they should further make another hypothesis and check for its authenticity.
In scientific researches, the results of a hypothesis generally do not get the expected results but this leads to new findings and discoveries.
Answer:
C
Explanation:
During their development, many organisms look similar, suggesting that very different organisms may have a common ancestor. - Think of the human fetal neural / spine development which mirrors other species.
