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
Asexual reproduction means….?
One parent; offspring are identical to the parent.
Sexual reproduction means…..?
Two parents; offspring have characteristics of both parents.
Living things have what…….?
DNA
DNA stands for…..?
Deoxyribonucleic acid
DNA encodes………that are the blueprint for life
Genes
Living things use…..?
Energy
Energy is required to carry out all day-to-day activities
What are some examples of activities that require energy?
Walking, thinking, digesting food, running, talking, exercising
Living things grow and……?
All organisms grow during periods of their lives.
They……..or change in form as they grow.
Develop
Examples of things that Grow and develop….
Frog egg/tadpole/frog
Baby/Teen/Adult