CELLS

Question 1

What is a Cell and give two examples from plants and animals.

Answer 1

The smallest unit of life that can carry out all functions necessary for life.
Examples:

•	Plants: Guard cells, Parenchyma cells
•	Animals: Red blood cells, Nerve cells

Question 2

What is a Tissue and give two examples from plants and animals.

Answer 2

A group of similar cells that work together to perform a specific function.
Examples:

•	Plants: Xylem, Phloem
•	Animals: Muscle tissue, Nervous tissue

Question 3

Whats is an organ and give two examples from plants and animals.

Answer 3

A structure made up of different tissues that work together to perform a specific function.
Examples:

•	Plants: Leaf, Root
•	Animals: Heart, Stomach

Question 4

What is an organ system and give two examples from plants and animals.

Answer 4

A group of organs that work together to perform complex functions.
Examples:

•	Plants: Vascular system, Root system
•	Animals: Digestive system, Respiratory system

Question 5

What is an organism and give two examples from plants and animals.

Answer 5

A living thing that can function independently.
Examples:

•	Plants: Oak tree, Sunflower
•	Animals: Human, Elephant

Question 6

What is an organelle and give two examples from plants and animals.

Answer 6

A specialized structure within a cell that performs a specific function.
Examples:

•	Plants: Chloroplast, Vacuole
•	Animals: Mitochondrion, Nucleus

Question 7

List in correct order the basic levels of organization in a multicellular organism.

Answer 7

The basic levels of organization in a multicellular organism, listed in correct order, are:

1. Cell
2. Tissue
3. Organ
4. Organ System
5. Organism