GENETICS AND EVOLUTION
INHERITANCE AND VARIATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
a parent
|
|
|
a variation
|
|
|
evidence
|
|
|
an organism
|
Detailed explanation-1: -Answer. A single, self-contained living thing that starts with O and has 8 letters is “organism".
Detailed explanation-2: -Living things are made up of small self-contained units called cells. Each cell is a collection of living matter enclosed by a barrier that separates the cell from its surroundings. Most cells can perform all the functions we associate with life. Organisms consisting of only a single cell are called unicellular.
Detailed explanation-3: -For this reason, living things are called organisms. The activities of the cells are controlled by the cell’s genetic material-its DNA. In some types of organisms, called eukaryotes, the DNA is contained within a membrane-bound structure called the nucleus.
Detailed explanation-4: -Single-celled organisms are referred to as Unicellular organisms. These are prokaryotic organisms. Mostly Bacteria and some algae are Unicellular in nature. It is a primitive form of life.
Detailed explanation-5: -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.