the smallest unit of an organism that carries on the functions of life.
any living thing
5 traits living things have in common:
3 use energy
4 grow and develop
anything that causes a change in an organism
response to stimulus/stimuli?
an organisms ability to keep proper conditions inside no matter what is going on outside.
How do multi-celled organisms grow?
they get more cells
the main source of energy for living things?
1 celled organisms grow due to an increase in ________.
the size of the cell
grow means to...
all the changes that take place in an organisms life
life span definition
average # of years expected to live for an organism
Organisms need what 3 things to live?
1 a place to live
When organisms die what happens to the substances in their bodies?
they break down and are released into the soil or aire and can be used again by other organisms living.
theory that living things come only from living things.
idea that living things come from nonliving things
when you place similar things together, such as organisms into groups
1st recognized classification system was by...
Who developed a system based on grouping organisms due to similar structures?
evolutionary history of an organism, or how it has changed overtime.
1st and largest classification category
smallest classification category
Linnaeus' Scheme (7 levels of the classification system)?
Animal kingdom examples
amphibians- tree frog
reptiles- eastern box turtle
Plant Kingdom examples
cherry blossoms, oak tree, cactus, basil plant
Fungi/Fungus Kingdom examples
athlete's foot, mushroom
protist kingdom example
system used by scientists to name organisms and means 2 name naming system; uses genus and species
4 reasons for binomial nomenclature
1 helps avoid mistakes
2 organisms with similar evolutionary histories are classified together
3 give descriptive info about the species
4 allows info about organisms to be organized easily and efficiently