small organisms that drift and float in water
tiny living things that can be seen only with a microscope
characteristics of living things
organization, order (complex structure), metabolism, growth, responsiveness, adaptation, regulation, reproduction.
(microbiology) single-celled spherical or spiral or rod-shaped organisms lacking nuclei that reproduce by fission.
Unicellular microorganisms : . Like bacteria, archaea have no true nucleus; ., domain which consists of single-celled prokaryotes that have distinctive cell membranes and cell walls (Archaeabacteria)
kingdom of one celled organisms with a nucleus
package of nucleic acid wrapped in a protein coat that must use a host cell's machinery to reproduce itself
protein coat surrounding the nucleic acid of a virus
organisms that make their own food
eat dead organisms and recycle their nutrients back into the ground (bacteria and fungi)
an organism that lives on or in a host and causes harm to the host
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.