Chapter 1- Levels Of Organization

Question 1

7 characteristics of living organisms

Answer 1

Movement
Respiration
Sensitivity

Growth
Reproduction
Excretion
Nutrition

Question 2

Order of levels of organisation within organisms

Answer 2

Organelle, cell, tissue, organ, organ system

Question 3

Describe an organelle

Answer 3

What cells are made up of. They perform specific functions in a cell. Example: the nucleus is an organelle.

Question 4

Describe a cell

Answer 4

The basic unit of all living organisms. They provide structure for the body and take in nutrients from food. Example: a plant cell.

Question 5

Describe a tissue

Answer 5

Made up of a group of the same cells working together to perform a specific function. Example: brain tissue.

Question 6

Describe an organ

Answer 6

Made up of a group of tissue working together to perform a specific function. Example: the heart or brain.

Question 7

Describe an organ system

Answer 7

A group of organs working together to perform specific functions. Example: the digestive system.