Characteristics of Life
The genetic material that carries instructions for making proteins in living things?
What is DNA?
The smallest unit
What is an atom?
The type of cell that carries oxygen in the blood.
What are red blood cells?
System responsible for the breakdown of food and absorption of nutrients
What is the digestive system?
Your brain is this level of organization.
What is an organ?
The smallest living unit that can carry out all processes of life.
What is a cell?
Level of organization that consists of groups of the same cell type working together.
What is a tissue?
The cells in the body that fight off invaders like bacteria and viruses?
What are white blood cells?
System responsible for the exchange of gases like oxygen and carbon dioxide.
What is the respiratory system?
This cell type is responsible for contracting to cause movement.
What is a muscle cell?
The main source of energy for all living things on Earth.
What is the sun?
Specialized structures within cells.
What is an organelle?
Type of cell that forms a protective barrier around the body.
What are epithelial (skin) cells?
System that transports materials via blood, including oxygen and glucose.
What is the circulatory system?
What is the integumentary system?
When living things maintain a stable internal environment.
What is homeostasis?
Level of organization that includes different types of organs working together.
What is an organ system?
The function of neurons in the nervous system.
What is to send and receive signals?
Body system that provides structure and support to the body.
What is the skeletal system?
Multiple atoms bonded together forms this.
The process where living things adapt over long periods of time to survive environmental changes.
What is evolution?
The largest level of organization that includes all of the organ systems working together.
What is an organism?
The type of cell that releases substances such as hormones and mucus.
What are secretory cells?
What is the reproductive system?
Sweating and shivering are examples of this characteristic of life.
What is maintaining homeostasis?