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knockout mouse
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names
Lion (panthera leo)
Deadliest Animals Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.
Animal Factoids
Related Questions
Read Next
Flying bat
Are Bats Rodents?
Collage of different cats. Made for the cat quiz on Mendel
16 Questions About Pets Answered
Rows of tassled corn in a Nebraska field. (agriculture)
Pro and Con: GMOs
Spider monkey swinging in a tree. (primate, jungle animal)
Why Do Animals Have Tails?
Genetically modified corn field. Genetically Modified Organism (GMO), transgenic corn, maize, agriculture, biological.
Do GM Foods Affect the Body Differently?
Discover
Hindu Holi Festival celebrations with colored water, powder and colorful flower petals thrown over celebrants at a Hindu temple in Mathura, Uttar Pradesh, India on March 24, 2021.
Holi: Festival of Colors
Calendar marking march 15th
22 Questions About Time and Timekeeping Answered
Calendar showing the month of February
Why Are There Only 28 Days in February?
Close up of periodic table, focus on nickel, copper, zinc, palladium, silver, cadmium
When Was the Periodic Table Invented?
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration
Timeline of the Space Race, 1957–69

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Related Topics and References

Topics

Key People

Smithies, Oliver
Oliver Smithies
American scientist
Martin Evans
Martin Evans
British scientist
Mario R. Capecchi
American scientist

Related Quizzes and Features

Quiz
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
Lion (panthera leo)
Deadliest Animals Quiz
vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.
Animal Factoids
Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names