1. What are the basic building blocks of all living organisms ?
Answer
Cells.
2. What is a "tissue" ?
Answer
A group of cells with a similar structure and function.
3. What is an "organ" ?
Answer
An aggregations of tissues performing a specific function.
5. Arrange the following structures in size order, from smallest to largest: Cell, Organ, Organ System, Organism, Tissue
Answer
Cell, Tissue, Organ, Organ System, Organism
6. Give some examples of tissues.
Answer
Muscle, epithelial, glandular, epidermal, palisade mesophyll, spongy mesophyll, xylem, phloem, meristem, ...
7. Give some examples of organs.
Answer
Brain, heart, lungs, liver, kidneys, leaf, root, ...
9. Give some examples of organ systems.
Answer
Nervous system, circulatory system, digestive system, plant transport system, ...