Human Biology - Chapter 1.1 The Characteristics of Life

Short abbreviations for memorization (in no specific order) SSFUO, SUE, SPECIFIC, CAPE, TOMA, SOTA

Cell

the smallest structural and function unit of an organism.

Biosphere

regions of the earths crust, waters and atmospheres inhabited by living organisms

Ecosystem

a community plus the physical environment

Species

all population of a specific type of organism

Organism

an individual; complex individuals contain organ systems (human, tree, animal) (any individual living thing)

Organ system

composed of several organs working together

Organ

a group of tissues functioning together for a specific task, the various types of these

Tissues

a group of cells with a common structure and function

Molecule

union of two or more atoms of the same or different elements

Atom

smallest unit of an element; composed of electrons, protons, and neutrons

Unit

a unit is a basic part that makes up something bigger

Element

An element is a substance made of only ONE type of atom

Basic Characteristics of Life

Organization, reproducing, growing/developing, being homeostatic, responding to stimuli, and adaptation

Homeostasis

your body keeping things balanced