Living Things
What is an organism?
Any living thing
What is the basic unit of life, sometimes called the building blocks of life?
Cells
Which need of life provides energy for organisms?
Food
What is a stimulus?
A change in the environment
What is a producer?
Organism that makes its own food
What is the difference between growth and development?
Growth = physical change, Development = maturity change
What is an organism made of trillions of cells called?
Multicellular
Name all four needs of living things.
Food, water, shelter, homeostasis)
What is a response?
How an organism reacts to a stimulus
What is a consumer?
Organism that cannot make its own food.
What are two characteristics all living things share?
They grow and develop, respond to environment, use energy, reproduce, are made of cells, etc.
What is an organism made of one cell called?
Unicellular
What does homeostasis mean?
Stable internal conditions
Example: Sour candy makes my jaw tighten. Identify the stimulus.
Sour Candy
Give an example of a consumer.
Humans, animals, some bacteria
What is spontaneous generation?
The mistaken idea that life comes from nonliving things
Which type of reproduction produces identical offspring?
Asexual reproduction
Give an example of how an animal maintains homeostasis.
Sweating, shivering, panting, etc.
Example: Sour candy makes my jaw tighten. Identify the response.
Jaw tightening
What is the main difference between how producers and consumers get energy?
Producers make their own food; consumers eat other organisms.)
Explain the main difference between living and nonliving things.
Living things are made of cells and show the characteristics of life; nonliving things do not.
Which type of reproduction requires two parents and produces a similar offspring?
Sexual reproduction
What might happen to an organism if it cannot maintain homeostasis?
It could become sick or die.
Explain why being able to respond to stimuli is important for survival.
Helps organisms adapt and protect themselves
How do producers and consumers depend on each other?
Producers provide food/oxygen; consumers provide carbon dioxide/nutrients back to producers.