Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
Life
|
Life is defined as possessing all five of the following features: behaviour (or response), reproduction, excretion, nutrition, organisation
|
|
Behaviour/Response
|
Reactions to stimuli. Animal use sense organs and nervous systems to respond to stimuli such as light, sound, smell and taste. Plants respond by changing their growth towards light ect.
|
|
Reproduction
|
Production of new individuals.
|
|
Excretion
|
Removal of waste products of chemical reactions
|
|
Nutrition
|
The way in which organisms obtain and use food.
Plants → photosynthesis Animals → feeding on other organisms |
|
Organisation
|
Living things are organised into cells.
Cells → tissues → organs → organ systems → individual organisms → populations |
|
Metabolism
|
The sum of all the chemical reactions in an organism
|
|
Continuity
|
Living things arise from other living things
|