What is the smallest unit that makes up all living organisms?
A cell
What is a food chain?
The order in which living things depend on each other for food.
What is the act of living?
Survival
What is the internal framework of the human body?
The Skeletal System.
What are forest and grasslands?
Terrestrial Ecosystems.
The brain, nerves, and spinal cord are a part of what body system?
Nervous System
What is another word for the Circulatory System?
Cardiovascular System
Aquatic
What is unicellular?
Consisting of a single cell
What are at least three parts of the Respiratory System?
Nose, Trachea, lungs, diaphragm
What is an organism that decomposes an organic material?
Decomposers
The mouth, esophagus, stomach, and intestines are part of what body system?
Digestive System
What is having or consisting of many cells?
Multicellular
What factors make up ecosystems?
Biotic and Abiotic Factors
What is an organized system of kinds of organs arranged together that perform complex functions for the body?
Human Body Systems