Characteristics of Life
"Biological organisms" means what?
living things
Define cell.
the smallest unit of life
Who was the first person to classify organisms?
Aristotle
Who was the first to name and observe cells?
Robert hooke
Who came up with the binomial nomenclature?
Linnaeus
Can nonliving things have characteristics of life?
yes
What does unicellular mean?
a living thing made up of 1 cell
How many groups did Aristotle come up with?
2 (plants and animals)
Which microscope has 1 lens?
simple light microscope
Define binomial nomenclature.
2 part scientific name
All organisms are multicellular.
false
What does multicellular mean?
living thing that is made of 2 or more cells
Linnaeus classified organisms based on similar structure. (true or false)
true
What is the smallest unit of life
cell
What is a dichotomous key?
a tool to identify the scientific name of organisms.
______ is when an organism changes.
development
Homeostasis is when...
an organism maintaining steady internal conditions when outside conditions change
Who made the 5 kingdom system?
Robert H. Whitaker
Cells, different new organisms, different ways to classify organisms.
What makes up an organism's scientific name?
Genus and Species
A gazelle running away from what it thinks is a lion is an example of...
external stimuli
Skin cells are example of _______ cells.
multicellular
Name 4 Kingdoms
Plantae, Animalia, Fungi, Protista, Archea, Bacteria
Which characteristic of life brings new organisms into the world.
reproduction
growth