Introduction Flashcards

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1
Q

What is the science of life?

A

Biology

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2
Q

What are the characteristics of “life”?

A
  1. reproduce
  2. adapt
  3. respond to stimuli
  4. metabolize
  5. regulation (homeostasis)
  6. cells
  7. growth & development
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3
Q

Even though viruses replicate and adapt to their environment, why then aren’t they considered living?

A

they do not metabolize, can’t reproduce without a host

Khan:

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4
Q

What are the Biological Levels?

A

(in order)
1. Biosphere
2. Ecosystem
3. Community
4. Population
5. Organism
6. Organ system
7. Organ
8. Tissue
9. Cells
10. Organelle
11. Molecules

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5
Q

What comes after cells in the biological levels?

A

organelles

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6
Q

What comes after ecosystem in biological levels?

A

Community

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7
Q

What is a population?

A

group of same species

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8
Q

What are organs made of?

A

tissues

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