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Biology Comp
2013
236
Biology
Not Applicable
12/15/2012

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Term
Hypothesis
Definition
A falsifiable and testable statement.
Term
Prediction
Definition
An educated guess of what may happen in the experiment.
Term
Variable
Definition
Some factor in an experiment which can influence or change the outcome.
Term
Controlled Variable
Definition
The variable(s) which the scientist keeps the same.
Term
Independent Variable
Definition
The variable which is manipulated by the scientist.
Term
Dependent Variable
Definition
The variable which the scientist is observing.
Term
Control Group
Definition
The group which stays the same.
Term
Experimental Group
Definition
The group which has a variable changed.
Term
Quantitative Data
Definition
Data which does contain numbers.
Term
Qualitative Data
Definition
Data which doesn't contain numbers.
Term
Scientific Method
Definition
Made for doing stuff properly. Make observations, do research, form hypothesis, predictions, design and test experiment, analyze results, evaluate hypothesis, refine experiment.
Term
Three Traits of a Biologist
Definition
Scholarship, observation, and thinking,
Term
Frecesco Redi's Maggot Experiment
Definition
To support or disprove the common belief of Spontaneous Generation, Redi left two jars with meat out, one with a cloth covering and one open. Maggots appeared on the meat which was open since the flies could reach it.
Term
Nutrition
Definition
Being able to intake food to remain healthy.
Term
Respiration
Definition
The breaking down of nutrients to use them.
Term
Movement
Definition
The ability to change location or position.
Term
Growth
Definition
Increase in dry mass.
Term
Excretion
Definition
The removal of harmful wastes.
Term
Sensitivity
Definition
Being able to sense and react to stimuli.
Term
Reproduction
Definition
The creation of more organisms.
Term
Organism
Definition
A being which fulfills all of the traits of life.
Term
Ingestion
Definition
Taking in food.
Term
Dry Mass
Definition
The mass of an organism after all the water has been removed.
Term
Metabolism
Definition
All of the chemical reactions in an organism.
Term
Stimulus
Definition
A change in the environment which can be detected by an organism's five senses.
Term
Asexual Reproduction
Definition
Offspring identical to parent.
Term
Sexual Reproduction
Definition
Offspring mix of two parents.
Term
MRS. GREN
Definition
Movement, Respiration, Sensitivity, Growth, Reproduction, Nutrition
Term
Formula for Cellular Repiration
Definition
Glucose + Oxygen -> Carbon Dioxide + Water + Energy (ATP)
Term
Macromolecule
Definition
Thousands and thousands of atoms bound together.
Term
Monomer
Definition
Small parts which make up polymers.
Term
Polymer
Definition
Macromolecules which are made up of monomers.
Term
Protein
Definition
Used for building things like muscle. Monomers are amino acids. 4KCal/g of energy.
Term
Amino Acid
Definition
Monomers of proteins.
Term
Carbohydrate
Definition
Sugars and starches used for energy. Monomers are monosaccharides and disaccharides. 4 KCal/g of energy.
Term
Monosaccharide
Definition
Fructose
Term
Disaccharide
Definition
Sucrose
Term
Polysaccharide
Definition
Starch
Term
Lipid
Definition
Fats and oils used for energy. Monomers are triglycerides. 9KCal/g of energy.
Term
Hydrophobic
Definition
Doesn't mix with water.
Term
Triglyceride
Definition
Used for storage. Composed of 3 fatty acids and 1 glycerol.
Term
Nucleic Acid
Definition
DNA, stores genetic information. Monomers are nucleotides.
Term
Nucleotide
Definition
Monomers of nucleic acids.
Term
Enzyme
Definition
Break down polymers into monomers.
Term
Protease
Definition
Digestive enzymes for proteins.
Term
Trypsin
Definition
A type of protein-digesting enzyme found in the stomach.
Term
Salivary Amylase
Definition
A type of carbohydrate-digesting enzyme found in the salivary glands.
Term
Lipase
Definition
The digestive enzymes for lipids.
Term
Pancreatic Lipase
Definition
A type of lipid-digesting enzyme found in the pancreas.
Term
Nuclease
Definition
The digestive enzymes for nucleic acids.
Term
Digestion
Definition
Breaking apart polymers into monomers.
Term
Absorbtion
Definition
Absorbing the monomers.
Term
4 Types of Biological Macromolecules
Definition
Carbohydrates, lipids, proteins, nucleic acids.
Term
Steps to Acquire Nutrients
Definition
Ingestion, Digestion, Absorbtion
Term
Amount of Energy in Proteins and Carbohydrates
Definition
4 KCal
Term
Amount of Energy in Lipids
Definition
9 KCal
Term
KCal and Food Calorie Relationship
Definition
1 KCal= 1 Food Calorie
Term
Cell
Definition
Smallest unit of life. Everything is made up of these. Old ones reproduce to make new ones.
Term
Virus
Definition
Nucleic acids enclosed in protein capsules which are able to infect cells and create more. Able to evolve and adapt despite not being considered alive.
Term
Unicellular
Definition
Composed up of only one cell.
Term
Multicellular
Definition
Composed of two or more cells.
Term
Prokaryote
Definition
Simple cells. Do not have nucleus or other membrane-bound organelles. Store DNA in the cytoplasm. Unicellular.
Term
Eukaryote
Definition
Complex cells which have a nucleus and other membrane-bound organelles. Can be unicellular or multicellular.
Term
Organelle
Definition
Structures in cells which each have their own specific function.
Term
Cell Membrane
Definition
Thin coat around the cell. Allows certain things to enter or exit the cell.
Term
Cytoplasm
Definition
Gel like fluid which all of the other organelles float around in.
Term
Cell Wall
Definition
A rigid coating around the cell membrane. Provides support and protection.
Term
Nucleus
Definition
A membrane-bound organelle which hold the DNA. The "brain" of the cell. Holds the nucleolus.
Term
Nucleolus
Definition
Inside the nucleus. Makes ribosomes.
Term
Nuclear Envelope
Definition
Layer of coating outside the nucleus.
Term
Nucleoid
Definition
Where prokaryotic cells hold their DNA.
Term
Cytoskeleton
Definition
Protein structures which provide support for the cell.
Term
Ribosome
Definition
Make proteins. Can be free or attached.
Term
Rough Endoplasmic Reticulum (RER)
Definition
An extension of the nuclear envelope which is covered in ribosomes. This is where proteins are made.
Term
Smooth Endoplasmic Reticulum (SER)
Definition
An extension of the nuclear envelope which has many vital enzymes and is responsible for many chemical reactions.
Term
Golgi Appartus
Definition
Stacks of folded membrane which pack and modify proteins from the RER.
Term
Lysosome
Definition
A membrane-bound organelle full of enzymes which breaks down food.
Term
Vacuole
Definition
A membrane-bound space which stores food/water.
Term
Chloroplast
Definition
Store chlorophyll. Site of photosynthesis.
Term
Mitochondria
Definition
Makes energy for the cell.
Term
Vesicle
Definition
Small membrane-lined bubbles in cells.
Term
Cell Theory
Definition
I. Cells are the smallest unit of life.
II. All living organisms are made up of cells.
III. All cells come from preexisting cells.
Term
Are Viruses Alive?
Definition
No.
Term
Speciation
Definition
When new species are formed after adapting and evolving a lot.
Term
Mutation
Definition
An unexpected change in DNA.
Term
Variation
Definition
Because of mutations, this is commonplace. Differences between two members of one species.
Term
Natural Selection
Definition
Survival of the fittest. The individuals with the highest fitness rate are most likely to survive.
Term
Artificial Selection
Definition
When humans make organisms reproduce in order to gain desired traits.
Term
Adaptation
Definition
When natural selection happens, then the species evolve to become more suited to the environment.
Term
Homologous Structure
Definition
Structures which are similar and acquired from the last common ancestor.
Term
Analogous Structure
Definition
Structures which are similar but formed differently, since the last common ancestor did not give that trait.
Term
Vestigial Structure
Definition
Structures which used to be useful, but now are only remains of it since the organism no longer had use for it.
Term
Darwin
Definition
Founder of the Evolutionary Theory. Traveled on the HMS Beagle to the Galapagos to study Finches. Wrote On the Origin of Species in 1859.
Term
Taxon (Taxa)
Definition
The relatedness of two organisms.
Term
Binomal Nomenclature
Definition
The two names used to indicate a specific organism.
Term
Cladogram
Definition
Charts which show evolutionary relatives. Also know as a phylogenetic tree.
Term
Archaea
Definition
Organisms know for living in extreme conditions.
Term
Bacteria
Definition
Microscopic organisms which live everywhere and constantly break down stuff and recycle. Only some are pathogenic.
Term
Eukaryota
Definition
The only domain of life in which everything is composed of eukaryotic cells.
Term
Order of Taxa
Definition
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Term
Binomial Nomenclature Foramat
Definition
Genus species
Term
Three Domains of Life
Definition
Bacteria, Archaea, and Eukaryota
Term
Four Kingdoms of Eukaryota
Definition
Protista, Plantae, Fungi, Animalia
Term
Cocci
Definition
Round
Term
Bacilli
Definition
Rod-Shaped
Term
Spirilla
Definition
Spiral
Term
Pathogenic
Definition
Able to infect or harm other organisms.
Term
Halophile
Definition
Archaea which live in very salty conditions.
Term
Thermophile
Definition
Archaea which live in very hot conditions.
Term
Binary Fission
Definition
How Prokaryotic cells reproduce. One cell clones its DNA and then splits.
Term
Protist
Definition
One of the four kingdoms of Eukaryota. Organisms which don't fit perfectly into the other three kingdoms.
Term
Fungus-like Protist
Definition
Feed by releasing digestive enzymes into the environment. Decomposers and parasites.
Term
Animal-like Protist
Definition
Consumers and parasites. Classified by their movement.
Term
Plant-like Protist
Definition
Chloroplasts and photosynthesis. Producers. Algae.
Term
Slime Mold
Definition
Digest decaying matter by forming colonies. Fungus-like.
Term
Water Mold
Definition
Feed off of others. Fungus-like.
Term
Algae
Definition
Can be multicellular, yet simple. (Red, brown, green)
Term
Amoeba-like
Definition
Pseudopods through extensions of cytoplasm. Amoeboid movement.
Term
Zooflagellate
Definition
Parasites which move using flagella.
Term
Cilliate
Definition
Protists which put food into their gullet and move around using cilia.
Term
Spore-forming
Definition
Don't move. Plasmodium is a wall-know type since it causes Malaria.
Term
Consumer
Definition
Something which eats other organisms.
Term
Decomposer
Definition
Something which eats dead matter.
Term
Producer
Definition
Something which makes its own food (usually through photosynthesis).
Term
Parasite
Definition
Something which lives inside of other organisms and feeds off of them.
Term
Diffusion
Definition
The movement of particles from a high concentration to a low concentration.
Term
Osmosis
Definition
The movement of water across a semi-permeable membrane.
Term
How are Protists classified?
Definition
How they eat.
Term
How are Animal-like Protists classified?
Definition
How they move.
Term
How do Protists save themselves from Osmosis?
Definition
Cell walls and vacuoles.
Term
Hypae
Definition
A chain of cells.
Term
Mycelium
Definition
The main part of a fungi. Where nutrients are squired.
Term
Chitin
Definition
The protein which Fungi's cell walls are made.
Term
Spore
Definition
The reproductive part of fungi.
Term
Threadlike Fungus
Definition
Molds like bread.
Term
Sac Fungus
Definition
Yeast and others which are multicellular. Form sacs for reproducing.
Term
Yeast
Definition
Used for bread. Only unicellular fungus. Sac fungus.
Term
Club Fungus
Definition
Mushrooms and other umbrella-shaped fungi. Some are edible but others are poisonous.
Term
Imperfect Fungus
Definition
Fungi which don't fit into any other categories. Mostly parasites and asexual.
Term
Lichen
Definition
An example of Symbiosis (living together for mutual benefits) between a fungus and a photosynthetic organism.
Term
Which part of a Fungus is the biggest?
Definition
Mycelium
Term
Chlorophyll
Definition
Green stuff inside of chloroplasts.
Term
Cellulose
Definition
A carbohydrate which makes up plant cell walls.
Term
Cuticle
Definition
A special coating which prevents water loss.
Term
Central Vacuole
Definition
Stores food and water.
Term
Bryophytes
Definition
Nonvascular seedless plants. Examples are mosses and liverworts.
Term
Gymnosperms
Definition
Seeded plants that bear their seeds directly on the surface on cones. Literally means "naked seed".
Term
Angiosperms
Definition
Flowering plants that bear their seeds in their swelled ovaries (also called fruits).
Term
Nonvascular
Definition
Not related to blood vessels.
Term
Seed
Definition
The embryo of a plant that is encased in a protective covering.
Term
Monocot
Definition
A plant with one seed-leaf.
Term
Dicot
Definition
A plant with two seed-leaves.
Term
Photosynthesis
Definition
Process by which plants (and some others) use light in a chemical reaction to "create" energy.
Term
Stomata
Definition
Pores on leaves that open and closed for photosynthesis.
Term
Mesophyll Cells
Definition
The "middle cells" that make up the majority of leaves and perform photosynthesis.
Term
Guard Cells
Definition
Cells which are in charge of opening and closing stomata.
Term
Vascular Bundles
Definition
Plant stem structures which contain xylem and phloem for transporting food and water.
Term
Xylem
Definition
Vascular tissue that carries water.
Term
Phloem
Definition
Vascular tissue that carries food.
Term
Transpiration
Definition
Process of transporting water throughout plants.
Term
Root
Definition
Underground organs in plants that absorb water and minerals and help anchor plants.
Term
Stem
Definition
Supporting structures that connect roots and leaves, containing vascular bundles.
Term
Leaf
Definition
The photosynthetic organs of plants.
Term
Flower
Definition
The colorful reproductive organ for Angiosperms.
Term
Woody Stem
Definition
Stiff, inflexible, dry, rough stem.
Term
Herbaceous Stem
Definition
Flexible, green, fresh, moist, bendy stem.
Term
Fruit
Definition
The swelled ovary which contains the seeds in Angiosperms.
Term
Phototrophism
Definition
The tendency of plants to grow towards light.
Term
Geotrophism
Definition
The tendency of plants to grow away from the earth.
Term
Pollination
Definition
The transfer of pollen from the male gametophyte to the female gametophyte.
Term
Germination
Definition
When a plant starts to emerge from its seed, usually sparked by signs for prosperous growth, such as after a fire or such.
Term
Sepals
Definition
Protective "mini" leaves on the bottom of a flower.
Term
Petals
Definition
Bright, attractive structures on a flower to attract pollinators.
Term
Stamen
Definition
The male part of a flower.
Term
Anther
Definition
Flower structures that produce pollen.
Term
Carpel (Pistil)
Definition
The female part of a flower.
Term
Ovaries
Definition
The part of a plant which contains the seeds.
Term
Stigma
Definition
The sticky part of a flower where pollen is.
Term
Radicle
Definition
The first part of the plant to emerge from the seed.
Term
Plumule
Definition
The first leaf that emerges from the seed.
Term
Cotyledon
Definition
A seed-leaf in a plant embryo.
Term
Testa
Definition
The hard outer coating of a seed.
Term
Why can Bryophytes not grow tall?
Definition
They lack vascular tissue, and therefore cannot deliver nutrients to the entire plant.
Term
Heterotroph
Definition
An organism which receives it's nutrients from other organisms.
Term
Formula for Photosynthesis
Definition
Light + Carbon Dioxide + Water -> Oxygen + Glucose
Term
Gas Exchange
Definition
A transfer of gases between internal and external environments of plants.
Term
Translocation
Definition
Process of transporting food and nutrients throughout plants.
Term
Asymmetry
Definition
No symmetry.
Term
Bilateral Symmetry
Definition
When an organism is divided in half so that it has an identical, mirror image right and left side. (EX: Frogs, Humans, Beetles)
Term
Radial Symmetry
Definition
When an organism can be divided in several identical "slices" with no right or left. (EX: Sea Anemone)
Term
Neuron
Definition
Cell for sending and receiving messages.
Term
Cephalization
Definition
The concentration of central nervous tissue in the anterior end of an organism, usually in the form of a head.
Term
Carnivore
Definition
An animal that eats only meat.
Term
Herbivore
Definition
An animal that eats only plants.
Term
Omnivore
Definition
An animal that eats plants and meat.
Term
Detritivore
Definition
An animal that eats dead or decaying matter.
Term
Egestion
Definition
Removal of undigested material.
Term
Circulation
Definition
Fluids moved around to carry gasses and nutrients in animals.
Term
One-Way Digestive System
Definition
When there are separate holes for ingestion and egestion.
Term
Two-Way Digestive System
Definition
When there is one hole for ingestion and egestion.
Term
Invertebrate
Definition
An animal without a backbone.
Term
Vertebrate
Definition
An animal with a backbone.
Term
Blastula
Definition
A hollow ball of cells formed as a stage of a zygote.
Term
Blastopore
Definition
The fold in the blastula.
Term
Ectoderm
Definition
Outside germ layer. Forms the skin and sense organs.
Term
Mesoderm
Definition
Middle germ layer. Forms all other muscles and organs.
Term
Endoderm
Definition
Inner germ layer. Forms digestive and respiratory organs.
Term
Acoelomate
Definition
Without a coelom.
Term
Pseudocoelomate
Definition
Partial coelom/cavity.
Term
Coelomate
Definition
Coelom between dermis and digestive tract.
Term
Protosome
Definition
Mouth develops first.
Term
Deuterosome
Definition
Anus develops first.
Term
Porifera
Definition
Sponges
Term
Cnidaria
Definition
Jellyfish
Term
Platuhelminthes
Definition
Flat Worms
Term
Nemotoda
Definition
Round Worms
Term
Annelida
Definition
Earth Worms
Term
Mollusks
Definition
Octopods, Gastropods, etc.
Term
Arthriopoda
Definition
Crustaceans, insects, etc.
Term
Echidnodermata
Definition
Starfish
Term
Chordata
Definition
Fish, amphibians, reptiles, birds, mammals, tunicates, and lancets. Only phylum with vertebrates.
Term
Energy
Definition
The ability to do work.
Term
Adenosine Triphosphate (ATP)
Definition
The "universal currency of the cell"
Term
Hormones
Definition
Chemical signals which send messages across the body.
Term
Trophic Level
Definition
The level an organism is at in an ecosystem.
Term
Ecosystem
Definition
The communities of organisms and the environments they inhabit.
Term
Biotic
Definition
Live elements.
Term
Abiotic
Definition
Non-living elements.
Term
Food Chain
Definition
A diagram showing one organism at each trophic level.
Term
Food Web
Definition
Shows many predator/prey relationships.
Term
Pollution
Definition
Contaminating the environment in a negative manner.
Term
Carbon Cycle
Definition
The movement of carbon between the biosphere and atmosphere.
Term
Fossil Fuel
Definition
Fuel from the remains of ancient organisms.
Term
Deforestation
Definition
The removal of trees.
Term
Adrenaline
Definition
A hormone which induces the "fight or flight" response. Produced in the Pituitary gland.
Term
Green House Effect
Definition
Gases exiting the atmosphere are deflected back to earth due to gases in the air, thus warming up the earth.
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