DENDROLOGY

Detailed explanation-1: -Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).

Detailed explanation-2: -To become a fish and wildlife biologist, you need a bachelor’s degree in environmental science, zoology, fisheries biology, aquatic biology, or a related field. An undergraduate degree makes you eligible for entry-level research positions, but most employers prefer biologists who have a master’s degree or doctorate.