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Characteristics of Life
Vocabulary
Things to Know
Necessities of Life
Just for Fun
100
It is the smallest unit of life.
What is a cell?
100
Maintaining stable internal conditions
What is homeostasis?
100
The amount of water in most cells
What is %90
100
A tool that consists of a series of paired statements that describe the physical characteristics of an organism and help to identify unknown organisms
What is a dichotomous key?
100
Organisms that make their own food
What are autotrophs?
200
Humans eat food to get this characteristic of life
What is energy?
200
The passing of traits from parents to offspring
What is heredity?
200
The process of grouping things based on their similarities
What is classification?
200
A gas that is present in the Earth's atmosphere now but was not present 4.6 billion years ago
What is oxygen?
200
Name 4 characteristics all living things share
What is respond to stimulus, maintain homeostasis, reproduce, grow and develop, obtain energy, composed of cells
300
The two types are assexual and sexual
What is reproduction?
300
A group of cells with the same function make up
What is a tissue?
300
a two word naming system
What is binomial nomenclature?
300
a trace of an ancient organism that has been preserved in rock
What is a fossil?
300
scientist who created binomial nomenclature
Who is Linnaeus?
400
When a plant grows toward the light
What is response to stimulus?
400
An organ consists of
What is two or more tissues?
400
The lowest, most specific level of classification
What is species?
400
The idea that life could spring from non living matter
What is spontaneous generation?
400
A group of similar organisms that can mate with each other and produce fertile offspring
What is a species?
500
Characteristic that controls heredity
What is DNA?
500
One benefit of being a large organism is that you have
What is fewer predators?
500
Made of a single cell
What is unicellular?
500
the process of becoming more complex during an organisms life
What is development?
500
a change in an organisms environment that causes it to react
What is a stimulus?