Cell Diversity Flashcards
What is a tissue
Group of cells adapted to carry out the same function
Name the 4 plant tissues
Vascular
Dermal
Ground
Meristematic
Where is dermal found
Epidermis covering leaves and roots.
What is a dermal tissue
Single layer of cells that surround different parts of a plant
Describe a dermal I tried
Epidermis cells have often slightly thickened cell wall and a waterproof layer called a cuticle
What is the function of a dermal tissue
To protect the plant
What are vascular cells
Transport tissues
What vascular tissue transports water and food
Water- xylem
Food - phloem
Name the four types of animal tissues
Epithelial
Connective
Muscular
nervous
What is nervous tissue composed of
Nervous cells
What is r function of nervous tissue
Neurons are adapted to carry electrical pulses to and from the Brain and spiral cord.
What are connective tissue
Consists of a number of cells spread out in a matrix to produce connective tissues
What is the function of connective tissues
They support body structure
What is tissue culture
The growth of cells on a sterile nurptrient medium outside of an organism
What is in vitro
The growth of cells in an artificial environment
What is tissue breeding used for
Plant breeding
cancer research
Skin grafts
What is the name for the growth of large numbers of plants from small plant pieces
Micropropagation
Hat are clumps of similar cells griwn from tissue culture
Callus
Benefits of micropropagation
Large numbers of plants produced in a small time
Plants grown are genetically identical
Inexpensive
