Directions: Given the characteristics of life in the first column, answer the related
questions posted in the second column.
Characteristics of Life
Questions
What is the level of organization
of living organisms?
Displays organization
Why do organisms reproduce?
Ability to reproduce
Why do organisms adapt?
Ability to adapt on changing
environment
In what way do living organisms
acquire energy?
Why is energy significant?
Requires energy
How can we maintain
homeostasis?
Maintains homeostasis
Answers
Explanation:
Maintain Homeostasis
A human body has a temperature of 37 degrees Celsius, (about 98.6 degrees Fahrenheit). If you step outside on a cold morning, the temperature might be below freezing. Nevertheless, you do not become an ice cube. You shiver and the movement in your arms and legs allows you to stay warm. Eating food also gives your body the energy it needs to keep warm. Living organisms keep their internal environments within a certain range (they maintain a stable internal condition), despite changes in their external environment. This process is called homeostasis, and is an important characteristic of all living organisms.
Not all scientists agree exactly about what makes up life. Many characteristics describe most living things. However, with most of the characteristics listed below we can think of one or more examples that would seem to break the rule, with something non-living being classified as living or something living being classified as non-living.
There is not just one distinguishing feature that separates a living thing from a non-living thing. A cat moves but so does a car. A tree grows bigger, but so does a cloud. A cell has structure, but so does a crystal. Biologists define life by listing characteristics that living things share. Something that has all of the characteristics of life is considered to be alive.
Explanation:
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