The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis
An organism has 28 pairs of chromosomes in its diploid somatic cells. How many chromosomes are in its gametes?
diploid = 2n, haploid = n
2n = 28 pairs = 28×2 = 56, n = 28
gametes are haploid = n = 28 total chromosomes
Segmented digestive system, appendages are animal characteristics.
Animals are a major group of organisms, classified as the kingdom Animalia or metozoa. Animals have several characteristics that set them apart from other living things. They are all eukaryotic and usually multicellular, which separates them from bacteria and most protists. Different animals differ in their own characteristics such as appendages, segmentation among other animal characteristics.
Answer:
It is A Mutagen
Explanation:
Mutagen among the following best describes the relationship of solar radiation to the environment. The UV radiations are radiations having very high energy and it acts as a mutation causing agent.
