Characteristics of Life
What is the first characteristic of life?
made of cells
All living things need this, it is what scientists look for first on other planets
water
uni means
one
T/F bacteria are smaller than viruses
False
Spontaneous generation means
life can come from nonliving things
chemicals
nutrients or food or energy.
multi means
many or multiple
T/F viruses contain genetic material
true
______ Pasteur did experiments with broth to disprove spontaneous generation
Louis
All living this ______ and develop
This need involves room to grow and develop
space
unicellular organisms like bacteria are ____ celled
one
The body of a bacteria cell is called a
capsule
Louis Pasteur developed a method for boiling liquids like milk in order to kill bacteria. This method became know as
Pasteurization
Sound, sunlight and movement are all sub-categories of this characteristic of life.
Responds to surroundings
This need involves organisms being able to regulate their internal temperatures and water/salt levels
homeostasis.
Bacteria are ____ cellular
uni
The tail of a bacteria cell is called a
Before Louis' experiments people used to assumed that ___________ grew out of dead or raw nonliving meat
maggots
there own
List all 4 needs of living things
food, water, space, homeostasis
T/F Viruses have cells
False
Name 1 kind of bacteria. Example:
ecoli, salmonella
Cells that contain membrane bound organelles .
What is a eukaryote?