4° Third Science flashcard

Front

All living things need ______ like water and food.

Back

resources

Front

An _______ is a trait that helps a living thing survive in its environment.

Back

adaptation

Front

The ________ are caused by organisms invading and growing in your body.

Back

Infectious diseases

Front

The ________ happen when parts of your body start to work in an abnormal, or unusual, way.

Back

Noninfectious diseases

Front

Any organism that causes a disease is called a _______.

Back

Pathogen

Front

One-celled microorganisms that cause many diseases, like strep throat and food poisoning.

Back

Bacteria

Front

Nonliving pathogens that are much smaller than bacteria and need to infect a living cell to reproduce.

Back

Viruses

Front

Most ______ are one-celled microorganisms that are larger than a bacteria. These attack your cells directly; it can be transmitted by mosquitos.

Back

Parasites

Front

_______, such as molds and yeast, are one-celled or multi-celled microorganisms.

Back

Fungi

Front

Your ______ is your body's natural defense against disease.

Back

Immune system