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From Our Gallery
Enhance your visual learning  Download and share pictures with your free membership.
What better way to learn than with access to over 35,000 diagrams, photos, and illustrations.
 398
An 8-week-old fetus
 428
Tree Rings: Pine
 27961
An example of color blindness test. A person with red-green color blindness would not be able to dis
 291
Genes on chromosomes
 509
Wind that lifts the hairy modified sepals of a dandelion (Taraxacum) fruit may carry the attached se
 477
Scorpion
 1213
The Structures of the Retina
 1244
Top down view of Olympus Mons, the highest known mountain in the solar system
 394
The last captive quagga
 941
All human organ systems and their functions (Part 1)
 292
Red alga, a multicelled autotroph
 684
Cardiac conduction system
 31874
General Characteristics of Nervous Tissue
 959
Male and female Lions (Panthera leo)
 558
A Cone Snail, Conus geographus
 290
Fossilized Footprint: Therapod
 285
Loxioides bailleui
 858
A bully whippet
 611
Anatomy of a seed. Left, corn (Zea Mays), a monocot; right, pea (Pisum sativum), a eudicot
 255
DNA Sequencing
 545
The brains of animals of different evolutionary ages
 4816
Variation in shape and length of nerve cells.
 470
Cacao Tree
 319
Morphological divergence among vertebrate forelimbs
 517
Loss of a Shoot Tip Ends Dormancy in Lateral Buds
 326
Fossil Skeleton: Ichthyosaur
 426
Early Earth
 5322
Ancient Warming Shrunk Horses to Housecat Size
 299
Red Algae
 493
Neuron and Astrocytes
 5930
Types of variation in chromosome number.
 265
Nondisjunction
 523
Hydrostatic Skeleton: Earthworm
 389
Amniote Eggs: Snakes
 584
Photo of a lancelet
 347
Fruit Development
 13728
Examples of sensory receptors in the skin of mammals.
 847
Enceladus
 1595
Hypersensitive Response
 1462
Getting Connected
 4173
A treatment for blocked blood vessels.
 370
Metabolic receptors
 136
Alcohol metabolism
 576
Xylem vessels
 5793
The vertebrate endoskeleton.
 474
The cascade of events by which the stroke-induced release of glutamate kills neurons.
 271
Checkpoint Genes in Action
 258
Benign and malignant neoplasms
 403
Karenia brevis
 570
A sea star
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Solve Basic Percent Change Problems
Solve Basic Percent Proportion Problems (Using BR = P)
Converting Between Fractions and Percentages with Repeating Decimals #basicmath #fractions
Solving Proportions by Cross-Multiplication #equations #fractions
Finding the Generators of Z*_7 #numbertheory #grouptheory
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Greedy Algorithm Example
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Online Flashcards
Study, learn, and test youself  Whether you want to memorize every bone in the body or prepare for the upcoming MCAT, our web-based flashcard maker has you covered.
Money is the oldest form of item used for exchange.
 
  Indicate whether the statement is true or false.
Quiz Me


The data in the table below represent time study observations for a woodworking operation.

Observations (minutes per cycle)

Element    Performance rating   1   2   3 ...
Quiz Me
Drug court, domestic violence court, teen court and reentry court are all examples of ________.
A) treatment courts      B) innovative courts      C) traditional courts      D) private courts.
Quiz Me
Positive psychologists argue that psychology should abandon its focus on healing abnormal behavior and instead focus on “wellness.”
a. True
b. False
Quiz Me
Graise, Incorporated, manufactures and sells two products: Product C2 and Product M5. Data concerning the expected production of each product and the expected total direct labor-hours (DLHs) required to produce that output appear...
Quiz Me
How did Henri de Toulouse-Lautrec create the white areas in Aristide Bruant?

▸ He used acid-resistant powder.

▸ He melted wax on the stone.

▸ He etched through the wax ground.

▸ He drew thick...
Quiz Me
Julio is aware of his thoughts and feelings, but he doesn't cling to them, instead letting them pass through consciousness as new thoughts take their place. What is Julio experiencing?

▸ mindfulness

▸ flow

▸...
Quiz Me
Research on infants' coordination of senses has shown:
 
  a. infants have no ability to coordinate senses until they are one year of age.
  b. infants can coordinate sensory information at birth.
  c. infants...
Quiz Me
Jones and Smith Advertising Agency is in the early process of developing an advertising plan for one of its new clients, a regional soft-drink manufacturer. What type of research would you recommend Jones and Smith conduct at this stage of the...
Quiz Me
Children in Mr. Martin's 4th grade class are very supportive of Howard, who has Down's Syndrome, and help him with his work and to feel a part of the class. This is an example of ______________.
 
  A. infusion.
  B....
Quiz Me
Identify three items to check when inspecting blocker rings.
Quiz Me
Which of the following was true of the contact between Asia and Europe prior to exploration?
 
  A) Europe obtained most of their luxury goods from Asia.
  B) No travel paths existed between Europe and Asia.
Quiz Me
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