what makes something alive ?. what are living things? there are certain criteria that determine if...
TRANSCRIPT
What are living things?
There are certain criteria that determine if something is living.
Yes, ALL 9 criteria must be met.
Do ALL 9 criteria have to be met?
Organism
• Anything that possesses all of the following characteristics of life.
• Living things R-CHARGEED !!
R -
All living things produce offspring. Making copies of individuals by genetic transfer, sexually or asexually.
eproduce
-Living organisms show an orderly structure (made up of cells)
Examples:
Leaf
Cross-section of worm
Centipede
C -C - ells
Example:
The ability to maintain internal conditions separate from an outside environment.
The human body maintains an average temperature of 98.6 ºF.
H -H - omeostasis
A living organism will respond to an environmental condition called a stimulus.
An adaptation is any characteristic of an organism that improves its chances of surviving in its environment
A plant growing in a specific direction due to a light stimulus.
A -A - dapt to the environmentR -R - espond to stimuli
Living Things Adjust To Their Surroundings
• -living things interact with the environment
• -environment- biotic (living) and abiotic (nonliving) factors that an organism must constantly interact with (air, water, temperature, other organisms, etc.)
• All of the changes that take place during the life of an organism. Maturing.
Amoeba absorbing nutrients
Growth rings in a tree
G -G - rowth Getting Bigger / Increasing materialD -D - evelopment
Metabolism. Chemical and energy transformations. All organisms need energy for all life activities. Even thinking requires a considerable amount of energy.
Transforming glucose into ATP for energy (to do work).
E -E - energy