Well, it's obvious, because without a transport system, cells wouldn't have the nutrients and things they needed!! And waste wouldn't be able to circulate out of cells.
Answer:
A
Explanation:
only viable answer is a bc b and c are clearly stated different otherwise in the question. B would be ur unknown
Answer:
restriction enzyme, restriction endonuclease, or restrictase is an enzyme that cleaves DNA into fragments at or near specific recognition sites within molecules known as restriction sites. ... These enzymes are found in bacteria and archaea and provide a defence mechanism against invading viruses.
Explanation:
Since plants primarily take in the gas of carbon dioxide from the atmosphere to carry out photosynthesis, having fewer of these plants, these producers will result in an increased concentration of carbon dioxide in the atmosphere, at that area, the environment.
Answer: No
Explanation: Usually a mother and baby's blood do not mix while the baby is in the womb. The mother's blood runs alongside the placenta, and the nutrients needed by the baby are absorbed and transferred to him/her.