Pre-class Activity 8

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Pre-class Activity 8

• What is the mass in kilograms of this frog?

76 grams
Homework (Due 9/26) Read pages 17-19, Answer
questions 6 and 8 on page 19
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7 Properties of Life
Cellular Organization The basic structure of
cells is the same in all organisms
The smallest units capable of carrying out all
life functions
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7 Properties of Life
Homeostasis

• The maintenance of a constant internal state in a
  changing environment.

How do humans maintain constant body temperature?
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7 Properties of Life
The sum of all of chemical reactions carried out
in an organism

• Metabolism
• Living organisms carry out chemical reactions to
  obtain energy.

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7 Properties of Life

• Responsiveness
• Living organisms respond to their environment

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7 Properties of Life

• Reproduction
• Most living things can reproduce.

The process by which organisms make more of their
own kind from one generation to the next.
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7 Properties of Life

• Heredity
• Inherited traits change over generations
• EVOLUTION

The passing of genetic traits from parents to
offspring
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7 Properties of Life

• Growth
• All living organisms grow and many develop
• Development and evolution are different because
  development occurs in the lifetime of the
  developing organism