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DNA and Polypeptide Synthesis Parts of the Body Shoulder Excretion in Humans Skin Structure and Growth Healthy Foundations Vocabulary for Organisms in Ecosystems Bones Division of Microbiology Circulatory, Artery, Vein - basics Human Circulatory System Cell Cycle Obesity Endodontic Surgery Movement

Other quiz:

Transport system in Living Things (Human) › View

During a Science lesson, the teacher told the students that unicellular organisms do not have a transport system. Which of the following questions should the pupils ask? 

A. Do substances enter unicellular organisms by diffusion?

B. Do substances enter unicellular organisms by transfusion?

C. Do unicellular organisms need only sunlight for survival? 

D. Do unicellular organisms produce their own food?

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Human Body › View

The part of a cell that does a specific job is a(n)

A. tissue

B. organelle

C. organ

D. cell

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