<span>The question says, 'during embryonic development, if the anus develop before the mouth, the organism is a ............ The correct option is B. In deuterostome during embryonic development anus develops first from or near embryonic blastopore, mouth develops later at some distance from the blastopore or from the opposite end.</span>
Answer:
Bone
Explanation:
Bone contain minerals like calcium and phosphate
Phosphate is a form of phosphorus
Answer:
Mutation
Random mating between organisms
Random fertilization