Levels of Organization in Biology

These flashcards cover the key concepts related to levels of biological organization, including definitions and examples.

Individual

A single living being.

Population

A group of individuals of the same species living in a particular area at a particular time.

Community

Different populations living side by side in a shared environment.

Ecosystem

The interaction of living organisms with nonliving environments such as water, air, soil, and climate.

Biome

A large area of land with similar climate, vegetation, and animal life; consists of multiple ecosystems.

Biosphere

The global sum of all ecosystems, encompassing all environments on Earth.

Atoms

The smallest unit of matter that occupies space and has mass.

Molecule

A group of two or more atoms bonded together.

Macromolecule

A large molecule, typically formed by the bonding of several smaller molecules.

Subcellular organelles

Structures within a cell that perform specific functions, such as ribosomes or mitochondria.

Tissue

A group of similar cells that perform a specific function.

Organ

A structure made up of tissues that work together to perform specific tasks.

Organ system

A group of organs that work together to perform complex functions.

Organism

An individual living entity that can react to stimuli, reproduce, grow, and maintain homeostasis.

Community interaction

The relationship between different populations living together in a particular area.

Virtual Lab

An online simulation environment designed to mimic real laboratory experiences.