Answer: c) and b) are correct.
The brain is encased in a protective bony or cartilaginous housing in craniates.
The anterior end of the nerve cord is elaborated to form a brain in craniates.
Explanation: The craniates include the chordata with well-defined heads. This includes mammals, reptiles and fishes. So we can discard the other answers. Because most craniates have functional jaws, and the adults do not lose their chordate characteristics. The last one does not apply as a specific feature because the tunicate have neural crest but are not recognized as craniata.
Answer: Which of the following statements correctly compares transcription in prokaryotes and eukaryotes?
Explanation: It would be B
It entera from your body to the middle and then to the back and again.
Respiratory system and the cardiovascular system
The answer is C) Increase genetic variation and breed plants to contain the wild variety.
