AP BIOLOGY

CLASSIFICATION

THE THREE DOMAIN CLASSIFICATION SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following kingdoms are made up of all unicellular organisms?
A
Animal
B
Eubacteria
C
Fungi
D
Protists
E
Archaebacteria
Explanation: 

Detailed explanation-1: -Some of these organisms are animal-like(protozoan), others resemble plants (algal protists), and others demonstrate the characters of fungi. In kingdom Protista, all organism are unicellular during most phases of their life cycle or are colonial.

Detailed explanation-2: -Monera and Protista both are those kingdoms which have only unicellular organisms. Monera are unicellular and have no nucleus.

Detailed explanation-3: -Archaebacteria are not multicellular. They are unicellular organisms that are made up of only one cell.

Detailed explanation-4: -Archaebacteria are known to be the oldest living organisms on earth. They belong to the kingdom Monera and are classified as bacteria because they resemble bacteria when observed under a microscope.

Detailed explanation-5: -Bacteria and arachaea are unicellular and lack a nucleus.

There is 1 question to complete.