Intro to life Flashcards
A membrane covered structure that contains all of the materials necessary for life
Cell
A change that affects the activity of a organism
Stimulus
The genetic material that controls the structure and function of cells
DNA
The maintenance of stable internal environment
Homeostasis
Two parents produce offspring that share the characteristics of both parents
Sexual reproduction
Single parent produces offspring that one identical to the parent
Asexual reproduction
When a organism grows and divides into two cells
unicellular
Organism that when it grows the number of cells increases
Multicellular
Make their own food
Producer
Eats other organisms to grow
Consumers
Breaks down dead organisms and waste for food
Decomposers
5 characteristics that living things need to survive
Made of cells
Respond to their environment
Reproduce
Use energy
Grow and mature
The difference between a stimulus and homeostasis:
Homeostasis is maintaining a stable internal environment and stimulus is making one
The 4 things all organisms need to survive
Water air food shelter
Identify whether an organism is a producer, consumer, or decomposer:
Producer makes its own food
Consumers eat other organisms
And decomposers eat dead organisms or waste