Cell structure & Function

Question 1

Cell

Answer 1

Basic unit of life

Question 2

Tissue

Answer 2

Groups of cells working together to perform some function

Question 3

Organ

Answer 3

Tissues working together to perform a function

Question 4

Organ system

Answer 4

Various organs working together to perform a function

Question 5

Organism

Answer 5

Possess all the characteristics of life

Question 6

Population

Answer 6

Number of all the organisms of the same group or species who live in a particular geographical area and are capable of interbreeding.

Question 7

Community

Answer 7

Several interacting groups of species in a common location.

Question 8

Ecosystem

Answer 8

Community of living organisms and their physical environment.

Question 9

Biome

Answer 9

Large area characterized by its vegetation, soil, climate, and wildlife.

Question 10

Biosphere

Answer 10

The regions of the surface, atmosphere, and hydrosphere of Earth occupied by organisms.

Question 11

Cell theory

Answer 11

-Developed by Schleiden, Schwann , and Virchow
-All living things are made up of cells
-Cells are the basic unit of structure and function in an organism (basic unit of life)
- Cells come from the reproduction of existing cells (cell division)

Question 12

Unicellular

Answer 12

Composed of one cell

Question 13

Multicellular

Answer 13

Composed of more than one cell

Question 14

Prokaryote

Answer 14

a cell that contains NO nucleus and no membrane-bound organelles: only contains cell membrane; cytoplasm and ribosomes. First life form which evolved 3.5-3.8 bya (bacteria)

Question 15

Eukaryote

Answer 15

A cell that contains a nucelus and membrane-0bound organelles. (Animal, plant, protists, fungus.) Evolved through endosymbiosis.