Answer:D Is the correct answer.
Explanation: All of the options could be the parents of the child with type O blood, because every type of blood has an O type in it.
Answer:
Active transport requires energy input from the cell.
I believe the answer would be transmission.
Answer:
probably not organic, unhealthy
The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.