Biology: Definition of Life
Scientists have standardized a concise definition of life
false
The living organism has specialized structures that provide information about the changes in the environment. This characteristic of life is called
irritability
The word biology means the study of _____
life
The ability to obtain nutrients, take in oxygen, and transform them into energy and cellular components is called
metabolism
(Select all that apply.) Characteristics which are always present in living organisms are _____
metabolism complexity reproduction growth irritability adaptability response (unsure on these...)
If a crystal enlarges as new molecules are added, is this a form of biological "growth"?
no
If a rock disintegrates by chemical weathering into small grains of similar composition, would this be considered reproduction?
no
In order for an organism to exhibit continuation of its kind, _____ is essential
reproduction
Characteristics of life are used to determine if an organism possesses life
true
It is not always possible to clearly distinguish life from non-life
true
Scientists use the characteristics of life to determine life on earth and other planets
true
