Ch2 Characteristics of Life

Organism

Any living thing

Characteristics of life OMG CHHERRRN

Organisation

Movement

Growth

Cellular basis

Homeostasis

Hereditary

Excresion

Respiration

Response

Reproduction

Nutrition

Metabolism

The sum of all the chemical reactions that take place within the cells. These reactions are essential for life.

Anabolic reactions

Use of energy to create larger molecules A-B

Catabolic reactions

Release energy and create smaller molecules C-D

Cellular basis

All living things are made of cells cells are building blocks of life

Organisation - ctosop

Cell tissue organ system organism population

Autotroph

Organisms that make their own food eg. plant

Heterotrophs

Organisms that cannot make their own food eg. Humans

Respiration

The release of energy from glucose

Growth

The increase in an organisms, volume mass and complexity overtime

Homeostasis

The maintenance of a constant internal environment

Excretion

The removal of metabolic waste

Response

The ability for an organism to react to stimuli

Reproduction & two types:

The formation of new organisms, sexual and asexual

Heredity

The passing of genes from parents to offspring