Biology Words of Terms

Abiotic Factor

Nonliving factor in an environment.

Action Potential

The "wave" of electricity that travels along a neuron during an impulse.

Active Site

Place of cell membrane attachment

Active Transport

Moving from low to high concentration

Adaptive Radiation

Many species evolve from one parent species.

Adrenal

Endocrine gland that is suprarenal, above the kidney

Amino Acid

Building blocks of protein

Amnionic

Fluid in sack where human baby develops

Analagous Structures

Structures of similar function but different origins

Anther

Part of stamen that holds the pollen

Antibody

Immune chemical produce by B cells

Antigen

Stimulates the immune response

Aorta

The largest artery

Apex Consumer

The top predator in a community

Apex Consumer

The top predator in a community

Artery

Tube that carries blood away from the heart

Artificial Selection

when man selects which organisms breed

Asexual

Reproduction with only one parent

Asymptomatic

not having symptoms

ATP

High energy storage compound used by cells..u down with it ??

Axon

Longest part of a neuron

Binomial Nomenclature

Two name system of classification

Biochemistry

The study of metabolism

Biotic Factor

A living thing in an environment

Capillary

Smallest type of blood vessel

Cell

The basic unit of life. It was discovered by Hooke and and is basis of all known living organisms. It is the smallest unit of life that is classified as a living thing...

Cell Membrane

Bounds the cell

Cell Wall

Found in plant cells for structure and support

Cerebellum

Part of the brain used for balance and motor coordination

Cerebrum

Part of brain used for higher thought

Chitin

Polysaccharide of exoskeleton

Chromatography

A separation of substances

Commensalism

Symbiotic relationship when one benefits and the other is not effected. (+,0)

Community

A group of species in a given area

Corpus Calosum

The largest commissure

Cotyledon

"food" stored in the seed of a plant

Crossing Over

"reshuffling" of chromatids during mieosis

Cultivate

To prepare and use as in crops

Cytology

The study of cells

Cytoplasm

The fluid inside a cell

Decomposer

Niche that recyles matter

Diploid

The normal chromosome number of a body cell

Direct Harvesting

Completely remove a species from an environment

DNA

This is a nucleic acid that contains the genetic instructions for protein synthesis

Dorsal

The fin located on the back of a fish

Ecology

The study of the interrelationship between an organism and it's environment

Ecosystem

All the living and nonliving things in an area

Electrophoresis

The separation of DNA by DC current

Endangered

On the brink of extinction

Endocrine

System of glands needed for regulatory response

Entropy

tending to disorder

Enzyme

An organic catalyst

Equillibrium

A condition where systems are balanced

Estrogen

Female sex hormone

Exocrine

System of ducted glands

Fertilization

Union of gametes (sex cells) that restores the 2N chromosome number, a recombination.

Fiber

A complex Carb that aides in digestion

FSH

Pituitary hormone that stimulates egg production

Fungi

Kingdom that contains mushrooms

Gall Bladder

A small organ that aids digestion and stores bile produced by the liver. In humans the loss of the this is usually easily tolerated.

Gamete

The generic name for a sex cell

Gene

The section of a chromosome that controls a trait

Glomerulus

Ball of capilaries inside Bowman's Capsule

Gonad

Sex gland

Gradualism

A slow change in species over time

Haploid

Chromosome number of sex cells

Hemocyanin

Blood pigment in grasshoppers

Hemoglobin

Oxygen carrying pigment in human blood

Herbivore

Eats only plants

Heterozygous

A genotype like Tt

Histamine

Produced by Mast cells

Homeostasis

A stable internal environment

Homeothermic

Warm blooded

Homologous Strautures

Structures of similar origin but different functions

Homozygous

A genotype like TT

Hydrogen Hydroxide

The universal solvent

Hydrolysis

Breaking down using water

Hyperglycemia

High blood sugar

Hypoxia

Low oxygen level

Immunity

To be free from a disease

Inadvertant

not intentionally introduced by accident

Intercostal

Muscles between the ribs

Kidney

Filters blood and controls Blood Pressure

Large Intestine

The second to last part of the digestive system. It's main function is to absorb water from the remaining indigestible food matter.

Lateral

Anatomically toward the side

Latin

Language used in biomial system

Life Functions

What makes something alive

Liver

Visceral Organ with over 500 functions

Lutenizing Hormone

Hormone that stimulates ovulation

Medulla

Brainstem controlling involuntary functions

Mendel

Credited with the Laws of heredity

Metabolic

Anything related to a chemical reaction in the body

Mieosis

A reduction division

Mitosis

Reproduction used for Growth and Repair

Monotreme

Egg laying mammals

Mutualism

Symbiotic relationship where both benefit (+,+)

Natural Selection

A natural law by which genetically heritable traits become more or less common in a population over successive generations.

Nematocysts

Jellyfish stinger cells

Nerve Net

Jellyfish nervous sytem

Neuron

Another name for a nerve cell

Neurotransmitter

Chemical that allows communication between neurons

Niche

The role an organism plays in an ecosystem

Nonindigenous

a species not naturally found in a community

Nucleotide

The building blocks of DNA

Nucleus

The control center of the cell

Omnivore

Eats both plants and animals

Organism

All living things

Osteoblast

Bone building cells

Ovary

Female sex gland or gonad

Oviduct

Also called Falopian tube

Ovulation

The release of the egg or ovum into the oviduct

Oxytocin

Hormone that stimulates uterine contractions

Pancreas

This organ helps regulate blood sugar

Pancreas

Gland with endocrine and exocrine function

Parasitism

(+,-) Nutritional relationship

Peristalisis

Movement through the digestive system

Phloem

Moves organic material down a plant

Pioneer

The first to inhabit an ecosystem

Placenta

The"bridge" between the Mom and baby attched to the umbilical cord

Plasma

Nonliving part of blood

Platelets

Specialized blood cell for clotting blood.

Producer

Autotroph in a food chain

Protease

Enzyme to digest protein

Protein

Organic compound containing "CHON"

Proximal

Anatomically closer to the center of the body

Recombination

the mixing of DNA after fertilization

Red Blood Cell

This cell transports oxygen

Renewable

This type of resource can be replenished naturally

Reproduction

Only life function not needed by an individual

Ribosome

Site of protein synthesis

RNA

Can be a Messenger or Tranferer of the DNA code

Root

Plant part designed for anchorage and absorption

Saprophyte

An example of a decomposers role or niche

Scanning Lens

Low power objective

Sexual

Reproduction requiring two parents

Skin

A barrier, regulator and sense organ

Small Intestine

All digestion is completed here

Species

All the members of a population in a given area. Like all the white tail deer in NYS.

Stimulus

It ilicites a response

Stomate

The structure that controls water loss in a leaf

Succession

Change in a community

Symbiosis

Living together

Synapse

The space between neurons

Synthesis

Manufacturing something

Tachycardia

Irregular heart rate

Testes

Male sex gland

Trade Off

Making a decision with both positive and negative effects

Transport

Movement in,out and throughout an organism

Tundra

Characterized by permafrost

Ureter

The tube from kidney to bladder

Vaccine

Artificially stimulates Immune Response

Vacuole

Storage sack for cells

Vein

Vessel that moves blood toward the heart

Ventricle

Lower chamber of the heart

Villi

Increases surface area in small intestine

Water

Universal solvent, Hydrogen hydroxide

White Blood Cell

This blood cell fights infection

White Blood Cell

Blood cell of Immunity

Xenograft

Incorporating tissue from another species

XX

Sex chromosomes in females

XY

Sex chromosomes in males

Xylem

moves inorganic material up a plant

Zygote

Technical name for a fertilized egg