Introduction to Biology

This set of flashcards covers essential vocabulary and key concepts from the lecture on biology, aiming to help students understand fundamental principles in preparation for their exam.

Biology

The scientific study of life, including its structure, function, growth, and evolution.

Homeostasis

The process by which biological systems maintain stability while adjusting to conditions that are optimal for survival.

Metabolism

The set of life-sustaining chemical reactions that enable organisms to convert food into energy.

Eukaryotic Cell

A type of cell that contains a nucleus and membrane-bound organelles, found in organisms of the domain Eukarya.

Prokaryotic Cell

A unicellular organism that lacks a membrane-bound nucleus, such as bacteria and archaea.

Endosymbiosis

The theory that eukaryotic cells evolved from prokaryotic cells through a symbiotic relationship.

Abiogenesis

The original evolution of life or living organisms from inorganic or inanimate substances.

Goldilocks Effect

The notion that Earth is in a 'just right' zone where liquid water can exist, neither too hot nor too cold.

Cell Theory

A fundamental concept in biology which states that all living organisms are composed of cells, and all cells arise from pre-existing cells.

Trace Elements

Elements that are vital to organisms but are needed only in small amounts, such as iron and calcium.