6 Characteristics of living things Flashcards
Every organism is made up of one or more cells. One-celled organisms are called…
Unicellular
Examples of Unicellular organisms are…
Bacteria, yeast, amoeba
Organisms with more than 1 cell are called…
Multicellular
Examples of multicellular organisms are…
Humans, mushrooms, plants
Whats a cell…?
A membrane-covered structure that separates an organism from its environment
Cells have everything necessary for….?
Life
Cells are generally too…….to be seen by the human eye.
Small
Living things respond to what?
Stimuli
What is a stimulus?
A stimulus is a change in an organisms’ environment that affects the activity of the organism
All organisms sense stimuli in their environment and….?
Response
Examples of stimuli are…..
Light, odors, sounds, weather
(The bell is a stimuli and leaving the building is a response)
Organisms also respond to changes in their internal Environment. Maintaining a stable internal environment is called…….?. It is necessary because most chemical reactions require balanced environments.
Homeostasis
Example of homeostasis is that…
Your body maintains a temperature of about 37 degrees Celsius (98.6 degrees Fahrenheit). When you’re hot you sweat; when you’re cold you shiver; this is your body trying to return things to normal.
Living things Repro……?
Reproduce
There are 2 types of reproduction….?
Asexual and Sexual Reproduction