Characteristics of Living Things
What is another word for a living thing?
Organism
What is energy?
The ability to make things move or change
What is a stimulus?
Anything that causes a response in an organism
What is a structure?
A part of an organism that performs a specific task
What is an organ?
A group of tissues that work together to perform a specific function
What is the basic unit of life?
A cell
Where do plants get their energy?
The Sun
What is a reaction?
A response to a stimulus
What is a function?
The purpose or task of a structure
What is an organ system?
A group of organs that work together to perform a certain task
Name all six characteristics of living things.
Made of cells, need energy, grow and develop, respond to the environment, reproduce, and have adaptations
What provides organisms with energy and materials needed to grow and develop?
Nutrients
A person sees a bus approaching and jumps out of the way. What is the stimulus?
Seeing the bus approaching
What structures do fish use to breathe?
Gills
What organ system is responsible for moving blood around the body?
Circulatory system
What is an adaptation?
A characteristic that allows an organism to live in its environment
What is the name for all the different processes that happen inside an organism?
Metabolism
A person sees a bus approaching and jumps out of the way. What is the response?
Moving out of the way
What are the small holes on the sides of an insect's abdomen called?
Spiracles
Which organ system is responsible for breaking down food?
Digestive system
Is reproduction necessary for an individual organism to survive? Explain.
No. It is necessary for the survival of the type of organism, but not the individual.
Why do all organisms need energy?
To carry out the processes necessary to stay alive.
A plant grows toward sunlight. What environmental stimulus is causing this response?
Light from the Sun
What structures do trees use to exchange gases with their environment?
Stomata
Name five different organ systems found in the human body.
Any five: Circulatory, respiratory, digestive, nervous, excretory, skeletal, muscular, integumentary