One parent having identical offspring
asexual reproduction
A dog hears an unfamiliar noise, so it barks.
responding to stimuli
The basic unit of life
cells
The way producers get their food
photosynthesis
Keeping the sugar level and pH of your blood constant
homeostasis
The characteristic that describes an organism getting larger.
Growth
Bacteria, algae, amoeba, yeast, plankton, etc.
Unicellular organisms
Computer programs use energy, adapt to surroundings, respond to stimuli, grow and develop. Why aren't computer programs alive?
They are not made of cells and do not maintain homeostasis or reproduce.
A change in the environment that makes an organism do something different
stimulus
A chameleon changing color to blend in with the surroundings is an example of:
adaptation
When organisms change form as they grow
development
One specific adaptation that make dolphins suited to life in the water.
blowhole atop head for breathing, smooth & slick skin for moving quickly in the water, ability to hold breath for long periods, extra fat under skin for warmth, etc.
The reason why all fish are cold-blooded and have fins, gills, and bones
evolution
Creating unique offspring that contain a mixture of genetic material from two parents
Sexual reproduction
The direct source of any organism's energy
food (glucose)
A characteristic of living things that a river does not have.
No cells, no DNA, etc.
The molecule cells use as energy for their reactions
ATP
The sum of all the chemical reactions performed by an organism
Metabolism
Any part, what it looks like, and what it's made of...
structure
Most scientists consider viruses nonliving because
no cells, no growth, cannot live without host, etc
cells, evolution, death
dying is not a characteristic of life