System that allows the production of offspring
Reproductie System
Any form of water that falls to Earth's surface from the clouds
Precipitation
Any living thing is classified as a(n)
Organism
The gradual destruction of something by natural forces such as wind, water, or ice
Erosion
System that provides a flow of nutrients throughout the body
Circulatory system
System that breaks down food into energy for the body
Digestive System
The amount of water vapor in the air
Humidity
A group of tissues that work together to carry out specific functions
Organ
Complex interactions of food chains that interact in an ecosystem
Food Web
System that protects the body against infection
Immune System
System that brings oxygen into the body and releases carbon dioxide
Respiratory System
the force of the weight of air pushing on a surface
Air pressure
A group of specialized cells
Tissue
Calculation of an objects mass divided by its volume
Density
System that provides a flow of nutrients throughout the body
Circulatory System
A large body of air with similar temperature and moisture throughout
Air Mass
Basic unit of life found in all living things
Cell
Process by which organisms use light energy to make food energy
Photosynthesis
System that regulates the body's response to stimuli
Nervous System
Relationship between organisms where one organism benefits and the other is harmed
Parasitism
System of glands that make hormones to regulate the body
Endocrine System