Bio CHARACTERISTICS OF LIFE

11 Characteristics of Life

Organisation

Response

Respiration

Nutrition

Excretion

Reproduction

Growth

Metabolism

Homeostasis

Heredity

Cellular

Organelles

Tiny structures found inside cells

Unicellular

Living things composed of single cells

Multicellular

Living things composed of many cells, eg humans

Examples of human tissue

muscles & blood

Examples of plant tissues

Vascular

Dermal

Meristematic

Ground

EG of human organs

heart, eye, stomach

Eg of plant organs

leaf, root, stem

Response

ability of living things to react to stimuli in their environment

Phototropism

Plants changing their growth in response to stimuli, eg leaves turn towards sun

Animals normally have fast reaction to stimulis that….

affect the sense organs as this is connected to the nervous system, eg. pain, sound,

__________ responses in animals are slower than responses from the _______ ________

Hormonal, nervous system.

Respiration

Release of energy from food

Where does respiration take place?

In all cells that need energy

Anaerobic respiration

the release of energy from food without oxygen

Word equation for respiration in yeast

Word equation for respiration in animals

Glucose → Ethanol (used in brewing) + Carbon Dioxide (helps bread to rise)