AP BIOLOGY

THE CELL

CELL THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is an organism?
A
A group of similar cells that perform a common function
B
A group of organs working together to do a job in the body
C
A collection of tissues that work together
D
A living thing
Explanation: 

Detailed explanation-1: -An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis. An organism would, therefore, be any animal, plant, fungus, protist, bacterium, or archaeon on earth. These organisms may be classified in various ways.

Detailed explanation-2: -Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many.

Detailed explanation-3: -a form of life composed of mutually interdependent parts that maintain various vital processes. a form of life considered as an entity; an animal, plant, fungus, protistan, or moneran.

Detailed explanation-4: -A living organism is composed of cells. The cells divide and the body of the organisms show growth due to the increase in the number of cells. A tree is a living organism and shows the process of growth. Road, pen, and water are non-living organisms which do not show the process of growth.

There is 1 question to complete.