In the mitochondrion, small molecules combine with (Oxygen) to produce (Water) and carbon dioxide.
This process releases a large amount of (Energy).
The enamel. For example lemon juice can destroy your enamel it’s like another way that protects the teeth but you should also protect the enamel.
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: B) because in higher plants, such as angiosperms and gymnosperms, the sporophyte is the dominant generation.
D-low elevation and low relief
