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
house cat (domestic cat)
What is a cladogram?
a chart that shows how living things are related
______ is when an organism GROWS.
development
Homeostasis is when...
an organism maintaining steady internal conditions when outside conditions change
Who made the 5 kingdom system?
Robert H. Whitaker
Gallus gallus is the scientific name of which organism?
a chicken
How many types of electron microscopes are there?
2 (sem and tem)
changes in an organism's environment that affect the organism
external stimuli
Skin cells are example of _______ cells.
multicellular
Can a donkey and mule reproduce together?
yes
What did Anton van leeuwenhook do ?
he fixed the microscope
_______ is used to study the inside of a cell.
electron microscope (tem)