from bacteria to plants p. 6-14 (the characteristics of living things…
from bacteria to plants p. 6-14
the characteristics of living things
a cell is basic unit of structure
unicellular bacteria are the most abundant organisms on earth.
multi cellular organisms, different cells are assigned to do different tasks
respond to surroundings
organism react to things, using stimuli
your cells are constantly at work keeping you alive and stuff
growth and development
growth is the process of growing bigger development is process that produces more organisms in ones body.
the chemicals of life
cells of living things are composed of chemicals
organisms reproduce offspring similar to themselves
all living things have cellular organization, have chemicals, grow
develop and reproduce.
life comes from life
Francesco Redi did an experiment where there were two jars one was open and one was closed each had meat in them and the one that was closed did not produce flies the one that was open did
a long time ago people belied in spontaneous generation, now we don't
living things do not arise from nonliving material
needs of living things
everything needs living space
some things compete for living space
stable internal conditions
organisms must be able to keep the conditions inside their body stable
this is called homeostasis
all living things need water
it can desolve more things than any other thing on earth
things that make their own food
things that eat other things
all living things must food, water, living space, stable internal conditions.