Science Test Prep

The process of maintaining a stable internal environment is known as
Homeostasis
Offspring resemble their parents because of
Heredity
A________ obtains food by eating other organisms.
Consumer
 
What are the four necessities of life?
Food, Water, Air, Shelter.
What are lipids
Lipids are compounds that cannot mix with water.
What are nucleic acids?
Nucleic acids are large molecules called nucleotides.
Why do cells need water?
Cells need water to keep their environment stable.
Why is ATP important to cells
ATP's carry stored energy to certain parts of the cell.
What two main nutrients can store energy.
Complex carbohydrates
Lipids
What are all living things made of?
Cells
What are the characteristics of living things.
Cells, Reproduction, DNA, Change(Chemical/Physical),Growth/Development
How is a bear's fur related to homeostasis?
The bear's fur keeps the bear warm even when the season changes to winter.
What is a stimulus?
A stimulus is anything that affects how an organism acts.
How many types of celled organisms are there
2
What is a protein
A proteins are large molecules that are made up of smaller molecules.
What are carbohydrates?
Molecules made of hundreds of sugars, are called carbohydrates.
What are simple carbohydrates?
Simple carbohydrates are made up of one or less sugar molecule(s)
What is starch
Starch is a carbohydrate.
What is asexual reproduction?
Asexual reproduction usually happens with single celled organisms, and only need one parent.
What is sexual reproduction?
Sexual reproduction usually happens with multi-celled organism, and involves two parents..
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