Give the names of these gases. Answer: a. The chemical formula CH 4 indicates two types of atoms (C and H). A molecule of methane consists of 1 carbon atom and 4 hydrogen atoms. Similarly, SO 2 indicates two types of atoms (S and O). A molecule of sulfur dioxide consists of 1 sulfur atom and 2 oxygen atoms.
Mudskippers are a type of fish. They are part of a fish family known as tribe Periophthalmini), which is in the family, or type of, Gobiidae (Gobies). They are amphibious fish, which means that they can use their pectoral fins to walk on land.
Completely aquatic and gilled throughout life. The mudpuppy is the largest member of the genus Necturus which also includes waterdogs. All mudpuppies and waterdogshave bushy external gills, two gill slits, a laterally compressed tail, and four toes on front and hind feet. Adult mudpuppies are 20-49 cm total length.