Exercise 16: Prokaryotes

A group of organisms that share the same structure and can usually interbreed and produce fertile offspring

Classification of organisms into groups according to their evolutionary relationships

The major categories of classification (largest to smallest)

Five kingdoms of organisms

Thought to be living representatives of the earliest cells to have evolved on earth

The two groups of monerans

A cell ranging in size from about 1.0 to 8 μm in length and may exist singly or in clumps or filaments

Three major groups of bacteria

What specimen is shown?

• Nostoc

• Anabaena azolla

• Oscillatoria

What specimen is shown?

• Nostoc

• Anabaena azolla

• Oscillatoria