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Science

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chapter 20 vocabulary
Vocabulary part 7
vocabulary part 8
Vocabulary part 7
vocabulry part 6
vocabulary part3
vocabulary part4
vocabulary part2
animal definitions
From Flower To Fruit
HOW DOES PLANT FERTILIZATION OCCUR?
endocrine glands
Plant Characteristics
THE MALE REPRODUCTIVE SYSTEM
FEMALE REPRODUCTIVE SYSTEM
nervous system
nervous system part 2
definitions on the cardiovascular system
BODY ORGANIZATION
Chapter HIGHLIGHTS Part 2
medtropilis
The Integumentaty System
DNA
How can DNA become damaged?
The Muscular System
quiz yourself
QUIZ part 2
Scientific method
Cell cycle
Cell Division
DEFENITIONS
test your brain
answers to test your brain!
vocabulary chapter 23
science time line on cell division
life science
need help
Gregor Mendel
Mendels second experiment
Terms to learn
Chapter Highlights
Vocabulary part 5
Chapter Highlights

Section 1
  • All living things share the six charcateristics of life.
  • Organisms are made of one or more cells.
  • organisms detect and respond to stimuli in their enviroment.
  • Organisms work to keep their iternal enviroment stable so that chemical activities of their cells are not disruputed. The maintanance of a stable internal enviroment is called homeostatasis.
  • organisms reproduce and make more organisms like themselves. offspring can be produced asexually or sexually.
  • Offspring resemble their parents.
  • The passing of chacteristics from parent to offspring is called heredity.
  • organisms grow and may change during their lifetime.
  • Organisms use energy to carry out the chemical activity of life. Metabolism is the sum of an organism's chemical activity.

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