Test 1
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Three organisms
(Just name three living things)
6 characteristics of living things
Cellular organization Containing similar chemicals Using energy Responding to surroundings Growing and developing Reproduction
How small is a cell?
So small that over 1million can fit in this period.
Name an unicellular organism
Bacteria
What do cells in a multicellular organism do?
They let you move, think and stay alive
What are the 5 chemicals of life?
Water Proteins Lipids Nucleic acids Carbohydrates
Why do we need water
To function
Why do we need proteins and lipids
They make up cells
Why do we need nucleic acids
To direct the cells
Why do we need carbohydrates?
For energy
Why do cells need energy
To do their job
What is there difference between growth and development?
Growth makes you bigger Development makes you more complicated
Spontaneous generation is not correct because
Living things do not come from dead things
What are the 4 needs of living things?
Water Food Living space (not shelter) Stable internal conditions
How do autotrophs get energy?
They get energy from the sun
How do heterotrophs get energy?
From eating autotrophs or other heterotrophs that ate autotrophs.
Why do scientists need to classify living things?
Biologists use classification to organize living things into groups so that the organisms are easier to study.
How did the scientist Linnaeus classify living things? What was this called?
Linnaeus classified organisms based on observable features.
How is a scientific name created? What does each part mean?
A scientific name is the genus name and the species name combined. The genus name is a classification grouping that contains similar closely related organisms. The species name is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Why do scientists use binomial nomenclature?
Binomial nomenclature is a unique 2 part naming system to give each organism a scientific name.
• List the eight major levels from broadest to most specific.
Domain, Kingdom, Phylum, Class, Order, Family, Genus, & Species
When 2 organisms share many of the same classification levels what does that say about those 2 organisms?
The more classification levels that two organisms share, the more characteristics they have in common.
• What phylum does the great horned owl belong to? Family? Scientific name?
Phylum- Chordata Family- Strigidae Scientific name- Bubo virginianus
• What is a field guide?
Field guides are books with illustrations that highlight differences between similar looking organisms.