Question

What are some physical characteristics of bacteria?

Answer 1

Bacteria are the most successful organisms on the planet. They lived on this planet for two billion years before the first eukaryotes and, during that time, evolved into millions of different species.

Size and Shape
Bacteria are so small that they can only be seen with a microscope. When viewed under the microscope, they have three distinct shapes (Figure below). Bacteria can be identified and classified by their shape:

Bacilli are rod-shaped.
Cocci are sphere-shaped.
Spirilli are spiral-shaped.
Drawing of rod, sphere, and spiral shaped bacteria

Answer 2

here are some characterstics of bacteria....
Single-Celled
Absent Organelles
Plasma Membrane
DNA
Cell Walls
Hope it will help you .