The body parts of cnidarians are arranged in symmetry. There are two main types: polyp and medusa. Polyps are cylindrical in structure and medusa are in an umbrella form. In both the forms, the outer layer of the body is an epidermal layer, followed by gastrodermis layer, and in between the layers, mesoglea are present. There are tentacles, which helps in food ingestion.
Answer: water has an specific high heat capacity.
Explanation: Water absorbes heat over a longer period of time compared to to other liquids, so this is why it is used in the cars coolant system.
The answer is B because men only have one X chromosome. Their chromosomes are xy.
From the options given above, the correct option is D. A haploid cell is a cell that contains a single set of chromosomes only. A haploid cell can only undergo asexual reproduction. Asexual reproduction involves only one parent and the cell division usually occurs by mitosis. An organism that is reproducing asexually will transmit 50% of its gene to its offspring[s]. Thus, haploid cells reproduce asexually through mitosis only.