a living thing made of only one cell is this
What is unicellular?
a change that affects the activity of an organism
What is a stimulus?
a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
What is species?
these can produce their own food
What are autotrophs?
the permanent increase in cell number and size
What is growth?
this term encompasses animals, plants and simple organisms, such as amoeba, fungi, viruses and bacteria
What is living things?
the maintenance of stable internal conditions
What is homeostasis?
one parent making an exact copy of itself
What is asexual reproduction?
these must go out and obtain their food
What are heterotrophs?
T/F Humans go through various stages of growth throughout their lives?
What is true
the basic unit of living things
What is a cell?
sunlight is an example of this
What is a stimulus?
during sexual reproduction two parents pass this on to their offspring
What is DNA?
a function carried out by green plants but not by animals
What is photosynthesis?
Living organisms turn some of the food into living material - name one?
what is bone, teeth, wood, etc...
This type of organism is made up of more than one cell.
What is multicellular
sweating and shivering are examples of this
What is homeostasis?
during sexual reproduction this takes place
What is fertilization?
this would happen if waste products were not removed from the body
illness or death
Aerobic respiration uses ____?____ to release energy from food.
What is oxygen
Most chemical reactions in cells require what one thing?
What is water.
T/F Living things move without any outside forces
True
an example of asexual reproduction
What is budding?
What is binary fission?
the amount of chemical energy used to carry out life processes
What is metabolism?
Some organisms can make their own food from water, CO2, nitrogen, and minerals - what does CO2 stand for?
Carbon dioxide