Answer: There are three of chromosome number 18
Explanation: normally every chromosome is a pair, this is a triplet which is a genetic disorter
Besides annelids, segmentation is also seen in arthropods.
The answer is D. A species diversity
Answer: A constellation
Explanation:
A group of stars is a constellation. The Hubble Deep Field is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope.
Answer: A
Explanation: It travels through tubes called ureters