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The smallest unit of life
Cell
A thin layer that controls what enters and leaves the cell
Cell Membrane
A living thing
Organism
A segment of DNA that controls a specific trait
Gene
A group of the same species living in the same area
Population
A tiny structure inside a cell that performs a specific job
Organelle
The jelly-like material inside a cell where organelles are found
Cytoplasm
The ability of an organism to maintain stable internal conditions
Homeostasis
The passing of traits from parents to offspring
Heredity
All the living and nonliving things that interact in an environment
Ecosystem
The control center of the cell that contains DNA
Nucleus
A group of similar cells working together to perform a function
Tissue
The process plants use to make food using sunlight, water, and carbon dioxide
Photosynthesis
A characteristic or feature of an organism
Trait
An organism that makes its own food, usually through photosynthesis
Producer
Organelles that release energy for the cell; the “powerhouses.”
Mitochondria
A body structure made of different tissues working together
Organ
The process cells use to break down food and release energy
Cellular Respiration
A trait that helps an organism survive in its environment
Adaptation
An organism that gets energy by eating other organisms
Consumer
Organelles in plant cells that perform photosynthesis
Chloroplast
A group of organs that work together to perform major body functions
Organ System
The molecule that contains genetic information and instructions for life
DNA
The process by which organisms with helpful traits survive and reproduce
Natural Selection
An organism that breaks down dead plants and animals
Decomposer