Answer: Of all the branches of complex animals, sponges are the only group lacking TRUE TISSUE.
Explanation:
The answer is:
The F1 generation will have all cleft chin.
The P generation and F2<span> generation will have cleft chins and no-cleft chin.</span>
Answer:
carbonic acid
Explanation:
carbondioxide reacts with water in a reversible reaction to form carbonic acid