Cell Diversity Flashcards
What is tissue
A tissue is a group of similar cells that are adapted to carry out the same function
What is dermal tissue
A single layer of cells that surround and protect different parts of the plant
What is vascular tissue
Transports materials and water around the plant
What is connective tissue
Consists of cells dispersed in a matrix that is produced by the connective cells
Function of connective tissue
To join and support other body structures
Example of a connective tissue
Cartilage
What is the nervous system
Is composed of nerve cells called neurons. They are adapted to carry electric impulses throughout the body
What is tissue culture
Is the growth of cells in a sterile nutrient medium outside an organism
What conditions are necessary for tissue growth
Oxygen
Nutrients
Correct pH
Sterile condition
Benefits of tissue culture
Produced exact copies
Large number produced in a short time
Inexpensive
What is an organ
Is a structure composed of a number of tissues that work together to carry out one or more functions
Give examples of organs
Plant:
Stem
Leaf
Flower
Animal:
Heart
Liver
Skin
What is a system
A system consists of a number of organs working together to carry out one or more functions
Give examples of a system
Plant:
Root
Shoot
Animal:
Digestive
Reproductive