INTRO TO ZOOLOGY

Zoology

(Gr. zoon, animal + logos, to study)

Zoology

broadest fields in all of science due to immense variety of animals and the complexity of the processes occurring within species

Anatomy

Study of the structure of entire organisms and their parts

Cytology

Study of the structure and functions of cells

Comparative Genomics & Bioinformatics

Study of the structure, functions, and evolution of the genetic composition of groups of animals using computer-based computational methods.

Ecology

Study of the interaction of organisms with their environment.

Genetics

Study of the mechanisms of transmission of traits from parents to offspring

Histology

Study of tissues

Molecular Biology

Study of subcellular details of structure and functions

Parasitology

Study of animals that live in or on other organisms at the expense of the host.

Physiology

Study of the function of organisms and their parts.

Systematics

Study of classification of, and the evolutionary interrelationships among animal groups.

Entomology

Study of insects

Herpetology

Study of amphibians and reptiles

Ichthyology

Study of fishes

Mammalogy

Study of mammals

Ornithology

Study of birds

Protozoology

Study of protozoa

Animals share

common evolutionary past and evolutionary forces that influenced their history

Evolutionary processes

remarkable for their relative simplicity, yet have a significant effects on life-forms resulted in an estimated 4 to 10 million species of animals today

Organic evolution

change in the genetic makeup of populations of organisms over time

Evolution ]

explains the family relationships among animals and how the great variety of animals arose.

Ecological Perspectives

Recognizes that animals can never be understood apart from other organisms and the nonliving components of their environment.

two global problems that gravely concerned and directly affect our ecosystem

Human overpopulation and overexploitation of world resources

Ecological Perspectives

helps zoologists to understand the interrelationships among individual animals and groups of animals

Ecological Perspectives

Understand how human interference threatens animal populations and the human environment

Many species have

naturally gone extinct over time, but recently, the destruction of habitats, particularly in tropical rainforests, has significantly increased the threat to wildlife.

factors contributing to extinctions

climate change, pollution, and invasive species

Organizations Of Wildlife Alertness

U.S. Fish and Wildlife Service and the IUCN list thousands of species as endangered or threatened

Categories of endangered or threatened species

: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct