Unit 10 Flashcards
The euglena depends on what to function properly?
The normal function of a single cell
Division Labour
When cells are specialized for one particular function, they can perform it more effectively and efficentl
Size
The surface area to volume ratio and the related rate of different restricts the sizeof a unicelluar organism.
What do transport systems permit?
The organism has to grow into a larger size
Independence of Cells
The life of a multicelluar organism does not depend on a single cell.
What happen when a cell functions abnormally?
The whole organism dies
What are plants ?
Plants are multicelluar organisms
What do multicelluar organisms do?
They peform each important function
Tissues
Group of similar cells that perform a specific function
Organ
Group of tissues that work together that perform a specific function
System
A set of organs or parts that perform one or more functions as a unit
Shoot System
The plant organ system that includes all tissues located above ground
Root System
The plant organ system that includes all tissue located below the ground
Why do cells divide?
For the growth of new tissue and repair of damaged tissue
Mitosis
The process of cell division that allows growth and repair
One cell divides into…
two cells
Cell division does not occur at…
the same rate throughout the organism
Meristems
Growth region of the plant with tissue in which cells divide by mitosis
Different meristems produce…
Root tissue and shoot tissue
The root and shoot systems are made up of…
Tissues specialized for different activities