Zoology Study Guide
Course Overview
Course Duration: August 01, 2025 - November 29, 2025
First Essentials Tasks
Learn to navigate the CEU LEAPS platform (Canvas).
Read the study guide to understand course expectations thoroughly.
Ensure access to CEU email for immediate notifications regarding announcements, discussions, submissions, and conferences related to the program.
Familiarize yourself with the CEU LEAPS Calendar for important dates and events.
Understand how to submit assignments correctly via the LEAPS system.
Visit the CEU library site for reference materials that will aid in coursework.
Reminders
Grades: Passing grade is 60% (consists of 2/3 coursework and 1/3 exam).
Attendance: Regular attendance is required to succeed in the course.
Deadlines: Keep track of deadlines for assignments and quizzes.
Concerns: Raise any academic concerns promptly with instructors or peers.
Course Outline
Course Outline - General Zoology Lecture materials and expectations outlined in PDF format.
Module 1: Zoology as a Science
Objectives
At the completion of this module, students should be able to:
Identify key personalities who contributed to the development of Zoology.
Construct a timeline illustrating the historical progression of Zoology as a science.
Explain the various divisions within Zoology.
Enumerate and describe the characteristics of animals.
Relate the current significance of Zoology to a specific field of specialization.
Understanding Zoology
Zoology Definition:
Derived from Greek words ‘zoon’ (animal) and ‘logos’ (study).
A broad and complex branch of biology focusing primarily on the study of animals.
Divisions of Natural Sciences
Natural Sciences:
Includes Biological Science (Zoology & Botany), Physical Science (Chemistry & Physics), and Earth Science.
Formal Sciences and Social Sciences create a broader context for studying living organisms, including animals.
The History of Zoology
Key Figures and Events
Before 3000 BC:
Prehistoric human practices included hunting and domestication of animals, with folklore surrounding them.
ca. 460 BC – ca. 370 BC: Hippocrates linked disease to the body's harmonious functioning.
384 BC – 322 BC: Aristotle advanced systematic study of animals, establishing foundations for biological classification.
AD 23 – 79: Pliny the Elder authored "Historia Naturalis," an encyclopedic compilation of myths and truths about animals.
Middle Ages (1200s): Naturalists shifted from superstition to direct observations of animal life in Europe.
15th – 18th Century:
William Harvey: Explained blood circulation mechanics.
Carolus Linnaeus: Developed the system of nomenclature.
Georges-Louis Leclerc de Buffon: Made comprehensive contributions to natural history.
18th Century:
Christian Heinrich Pander: Introduced germ layers in embryology.
Matthias Schleiden & Theodor Schwann: Established cell theory as a fundamental biological concept.
1856 - 1863: Gregor Mendel laid the groundwork for heredity research, introducing laws of inheritance.
Middle of 18th Century: René Antoine Ferchault de Réaumer discussed digestive chemistry.
Early 19th Century: Georges Cuvier elucidated comparative anatomy.
Mid to Late 19th Century: Advances in homeostasis (Claude Bernard) and mammalian embryology (Karl von Baer).
20th Century: Integration of fields like genetics, ecology, and ethology into zoology.
Characteristics of Animals
Eukaryotic Structure:
Cells contain a membrane-bound nucleus; DNA organized into linear chromosomes associated with proteins.
Heterotrophic Feeding:
Animals derive organic molecules from consuming other organisms (autotrophs or heterotrophs).
Multicellular Composition:
Cells are organized into specialized tissues, except in sponges.
Motility:
Unlike plants, animals are capable of movement and migration.
Reproductive Modes:
Mainly sexual reproduction (sperm fertilizes egg to form a zygote) but also includes asexual methods such as parthenogenesis and budding.
Cell Wall Absence:
Animal cells lack rigid cell walls but are supported by collagen and glycoproteins in plasma membranes.
Additional Characteristics
Detailed study of cellular structure:
Prokaryotic vs. Eukaryotic Cells: Prokaryotic cells lack membrane-bound organelles and have circular DNA, while eukaryotes possess complex structures.
Principal Divisions of Zoology
Structural Zoology:
Focus on morphology (shape), anatomy (structure), histology (tissues), and cytology (cells).
Developmental Zoology:
Covers embryology (egg development), ontogeny (lifetime development), and genetics (trait transmission).
Functional Zoology:
Explores physiological functions and animal behavior in relation to biotic and abiotic environmental factors.
Systematic Zoology:
Involves taxonomy, systematics, and specialized studies on various animal clades including protozoology, entomology, etc.
Distributional Zoology:
Studies zoogeography (distribution of species) and ecology (organism-environment interactions).
Historical Zoology:
Encompasses paleontology (prehistoric life) and phylogeny (evolutionary relationships).
Medical Zoology:
Focuses on parasitology (parasite-host interactions) and pathology (disease analysis).
Zoology: Perspectives
Evolutionary Perspective
Emphasizes common ancestry and evolutionary relationships as a basis for classification.
Higher classifications indicate more distant relations, following principles of evolution.
Ecological Perspective
Examines the shared environments of animals and implications of human overpopulation, including pollution and species extinction.
Significance of Zoology
Understanding animal biology aids in solving complex biological problems and enhances knowledge of diseases and conservation efforts.
Essential for managing world resources effectively and recognizing evolutionary consequences of species decline or disappearance.