Unit 1 Lesson 1 Flashcards
Cell
Is a membrane-covered structure that contains all the materials necessary for life
Stimulus
A change that affects the activity of an organism
Homeostasis
The maintenance of a stable internal environment
DNA
Is the genetic material that controls the structure and function of cells
Sexual reproduction
Two parents produce offspring that share the characteristics of both parents
Each offspring receives part of its DNA from each parent
Asexual reproduction
A single parent produces offspring that are identical to the parent
What 4 things are necessary for life?
Water,air, food, and a place to live is necessary for life
Producer
Consumer
Decomposer
Make their own food
Eat other organisms to get food
Break down dead organisms or wastes to get their food