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Nucleus

An organelle in the cell that serves both as the repository of genetic information and as the cell's control center.

Mitochondria

Membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions.

Endoplasmic Reticulum

A large dynamic structure that serves many roles in the cell including calcium storage, protein synthesis, and lipid metabolism.

Golgi Apparatus

Zoology

the branch of biology concerned with the study of animals and animal kingdom. It is also known as animal biology.

Aristotle

The Father of Zoology

He was conferred with this title for his exceptional work in this field, systematic organization, and grouping.

Charles Darwin

English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.

Natural selection is Darwin’s most famous theory.

Darwin’s five theories

• Evolution

• Common descent

• Species multiply

• Gradualism

• Natural Selection

Branches of Zoology

• Zoography, it is also known as descriptive zoology.

• Comparative Zoology

• Soil Zoology

• Mammalogy

• Comparative Anatomy

• Herpetology

• Animal Physiology

• Entomology

• Behavioral Ecology

• Ornithology

Characteristics of living things

• It responds to the environment.

• It grows and develops.

• It produces offspring.

• It maintains homeostasis.

• It has complex chemistry.

• It consists of cells.

Robert Hooke

In 1665, the first to observe cork cells and their characteristic hexagonal shape, using the first optical microscope, which was invented by him at that time.