In the early stages the embryos of four different species will look the same .For example, fish embryos and human embryos both have gill slits. In fish they develop into gills, but in humans they disappear before birth. That what makes them different.
Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
Answer:
I'm not sure sorry what type of question Is it?
Answer:
Correct option is White
Explanation:
Germinating seeds carry out their
respiration process at the cellular level to
be able to generate energy for growth and
maturation.
They do not yet have the ability to carry out
photosynthesis.
As a result of respiration, carbon dioxide is
released by the seeds which turn lime
water milky or white.
So the correct answer is 'White