Unicellular creatures.
OR
AMOEBA'S which are one celled animals.
No. The term zygote refers to a much broader period at the earliest stages of an organism's development, from the first fusion of sperm and egg to (form a single celled zygote) through many cell divisions (producing a multi-celled zygote) which matures into a blastocyst. So, zygotes can be one celled, two celled, or many celled.
It's called DNA.
Apparently has one more cell than you do.
Technically speaking a plant is defined as a multi-celled organism. Photosynthetic single celled organisms are considered to be a different phylum.
humans and other creatures that walk upright are called
no they did not there was only one celled creatures no they did not there was only one celled creatures
Protozoa Protozoa
One celled organisms are called unicellular organisms.
unicellular
The first living things on earth were microbes, tiny one-celled creatures.
He saw tiny particle animals in the water. He called them "wee beasties"
One celled organisms are called Unicellular organism,they are generally archea, bacteria, protozoa and some fungi and some algae.
The reason single celled organisms were do dominant was because they were the least complex creatures. As single-celled organisms evolve into more complex creatures, their requirements also become more complex and it becomes harder for them to survive.
microorganism
These are the Alveoli.
unicellular. :)
Protista