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.
ARTHROPOD CLASSIFICATION. EXOSKELETON. Centipedes, millipedes, insects, crustaceans, and arachnids, including spiders, all belong to a super-group of invertebrates called arthropods. Arthropods are more numerous and varied than any other animal group.