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Abeka Biology Test 3(Units 5, 6 and 7)
Test 3 (Chapters 1-7) Biology
58
Biology
11/16/2009

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Term
Gymnosperm
Definition
A nonflowering seed plant that reproduces by seeds not covered by the walls of an ovary
Term
Angiosperms
Definition
Any plant that reproduces by seeds formed in flowers
Term
Byrophytes
Definition
Any group of nonvascular plants with simple, leaflike parts, like mosses and liverworts.
Term
Archegonia
Definition
Female reproductive structure in ferns and other plants-produces eggs.
Term
Gametophytes
Definition
The male or female reproductive cells.
Term
Diatoms
Definition
Any of a group of yellow algae- characterized by orante microscopic shells made of silica.
Term
Dinoflagettates
Definition
A group of one-celled, photosynthetic aqutic organisms characterized by the presence of two unlike flagella. One type is responsible for the 'Red Tide'
Term
The five types of algae and their characteristics
Definition
Green Algae(Largest group, includes Volvox), Yellow Algae(Diatoms), Brown Algae(All marine organisms, includes Kelp and seaweed), Red Algae(live in the sea, a few grow in fresh water, includes dulse, agar and carrageenin) and Blue-Green Algae(classified as bacteria)
Term
Epidermal
Definition
An outer layer that covers and protects the organism
Term
Parenchyma
Definition
A type of plant tissue that makes and stores food.
Term
Vascular Tissue
Definition
Sap-conducting tissue that serves as the circulatory system for the plant.
Term
Meristematic Tissue
Definition
A tissue in plants that consists of rapidly growing and dividing cells that defferentiate to produce new tissues
Term
The Difference Between Vascular and Non-Vascular Plants.
Definition
A Non Vascular Plant lacks Vascular Tissue.
Term
Fungi
Definition
Nonvascular plant without chlorophyll that is dependent upon other organisms for food.
Term
Parasite
Definition
Organism that lives on or in another living organism, and derives its nutriton from that organism.
Term
Saphrophyte
Definition
An organism that obtains its nutrition from dead or decaying animals
Term
Nuclei
Definition
Part of a cell that contains the genetic code of the cell- the cell's control center
Term
Aggregate Leaves
Definition
Leaf of an aggregate fruit(a fruit that forms from a single flower with several pistils)
Term
Plumule
Definition
Tiny shoot of a plant's embryo that develops into the plant's stem and leaves
Term
Radicle
Definition
Tiny root of a plant embryo that forms the plants root system.
Term
Taproots
Definition
A root system with only one main root
Term
Layering
Definition
Method of vegetative propogation similar to slipping that produces new plants from adventitious roots
Term
Budding
Definition
A type of asexual reproduction in which offspring form from an outgrowth of the parent's body.
Term
Root Hairs
Definition
Long, fingerlike projections of a root's epidermal cells that increase the root's water absorbing surface area
Term
Aggregate Flower
Definition
A fruit that forms from a single flower with several pistils
Term
Fascicle
Definition
Subdivision of a skeletal muscle consisting of several dozen endomysium-wrapped muscle cells bound together by an additional sheet of perimysium
Term
Fascia
Definition
Tough, translucent sheath of connective tissue that surrounds a skeletal muscle and binds it together.
Term
Muscle
Definition
Give the body their shape and form.
Term
Motor unit
Definition
A group of muscle cells connected to a single muscle nerve
Term
Xylem
Definition
Woody tissue of a stem that carried water and minerals upward to the leaves
Term
Osmosis
Definition
One way diffusion
Term
Stamen
Definition
Male reproductive part of a flower
Term
Ball and Socket Joints
Definition
A freely movable joint in which the rounded head of one bone fits into a hollow socket of another.
Term
Synovial Membranes
Definition
A membrane which lines joint cavities and secretes lubricating synovial fluid
Term
Biology
Definition
The study of living things
Term
Botany
Definition
The study of plants
Term
Photosynthesis
Definition
The food making process of green plants
Term
Pinnate Venation
Definition
A type of leaf venation that has a single major vein with several veins extending from it.
Term
Pollination
Definition
The transfer of pollen grains from an anther to the stigma.
Term
Thoracic Cavity
Definition
The body cavity which contains the heart and lungs.
Term
Tissue
Definition
A group of similar cells which work together to accomplish the task of an organ.
Term
Deciduous
Definition
A tree that loses its leaves every winter
Term
Dioecious
Definition
A plant that produces staminate flowers and pistallate flowers(male and female flowers) on seperate plants
Term
Chloroplasts
Definition
A complex organelle in a green plant cells in which photosynthesis occurs
Term
Food Vacuoles
Definition
Where food is stored and transported throughout the plant
Term
Cell Membrane
Definition
Thin, flexible membrane that separates a living cell from its outside, and controls what enters and leaves the cell.
Term
Palmate Leaves
Definition
Compound leaves where the leaflets are arranged like the fingers of a hand.
Term
Incomplete Flower
Definition
A flower which lacks one of the four main flower parts.
Term
Cotyledon
Definition
A seed leaf in a plant embryo that contains stored food
Term
Endosperm
Definition
A tissue which surrounds the developing embryo of a seed and provides food
Term
Grafting
Definition
Method of vegetative propogation that involves transplanting living tissue from one plant to the other
Term
Adventitious Roots
Definition
A root that grows from an unexpected region of the plant
Term
Fibrous Roots
Definition
A root system with several main roots
Term
Sarcolemma
Definition
An extensible membrane enclosing the contractile substance of a muscle fiber
Term
Periosteum
Definition
A protective sheath that encloses and nourishes a bone.
Term
Neuromuscular Junction
Definition
The point at which a motor nerve connects to a muscle cell
Term
Phloem
Definition
Vascular tissue in plants that transports food downward throughout the plant
Term
Pith
Definition
Soft storage tissue at the center of the roots and stems that consists of parenchyma cells