Unit One Flashcards
Review What was learned in Unit One
A trait or feature that helps describe an object.
Characteristic
Example: A characteristic of this classroom is that it has two doors.
Smallest unit of structure and function in an organism.
Cell
Example: Types of cells: Animal cell, skin cell, plant cell, leaf cell
A living plant, animal or single-celled life form. Examples: Human, tree, amoeba
Organism
An organism that has more than one cell. Examples: Human, tree
Multicellular Organism
An organism that has only one cell. Examples: bacteria, amoeba
Unicellular Organism
Specialized structure inside of a cell, that has a specific function. Examples: nucleus, ribosome
Organelle
An object or physical thing made up of molecules.
Structure
Example: A cell is a structure
The role or purpose of a structure.
Function
Example: The ribosome’s function is to build proteins.
Group of cells that work together for a specific function. Example: Heart Tissue
Tissue
A group of tissues that have a specific function. Example: Heart
Organ
Group of organs that work together to carry out life functions. Example: Circulatory System
Organ System (Body System)
Molecule found in the nucleus of cells that contains genetic information.
DNA
DNA determines the characteristics of an organism.
Process that occurs in the mitochondria to break down glucose in order to make ATP (usable energy molecule).
Cellular Respiration
Example: Glucose + Oxygen + Water → ATP + Carbon dioxide
The chemical processes that occur in organisms to maintain life. Example: Cellular Respiration, Photosynthesis
Metabolism/ Metabolic Activities
A living or once living organism. Ex: Tiger
Biotic
