which of the following is not a characteristic of life
A. maintains homeostasis
B. composed of cells
C. composed of atoms
D. carries out metabolism
which of the following must be true to consider something to be alive?
A. it must be able to replicate it's DNA
B. it must be able to respond to light
C. it must be able to convert energy from one form to another
D. it must be able to move
which of the following represents a correct sequence of levels within the hierarchy of life?
A. community, population, biosphere
B. cell, population, organism
C. cell, organism, tissue
D. cell, organism, organ system
my answers for 1 2 3 are C, A, B are these answers correct please help
please help ms sue
Sorry. The only biology class was taught by a very poor teacher -- and that was back about 1949.
Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site.
http://www.biology-online.org/biology-forum/
In addition, be sure to make really good use of KhanAcademy!
http://www.khanacademy.org/science/biology
Choose from the general topics at the right and then find the specifics you need within each topic.
The correct answers are:
1. C. composed of atoms
Explanation: All living organisms are composed of atoms, so this is not a distinguishing characteristic of life.
2. A. it must be able to replicate its DNA
Explanation: Replicating DNA is a crucial process for the transmission of genetic information, which is a defining characteristic of life.
3. D. cell, organism, organ system
Explanation: The correct sequence from lower to higher levels in the hierarchy of life is cell (the basic unit of life), organism (individual living entity), and organ system (group of organs working together to perform a specific function).
So, your answers are correct: C, A, and D.