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Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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There are approximately 3 million unintended pregnancies in the United States each year.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
brain development in the human embryo brain development in the human embryo
Vesalius’s De Humani Corporis Fabrica was an important early work on the human species. Vesalius’s De Humani Corporis Fabrica was an important early work on the human species.
Comparison between human chromosome 21 and chimpanzee chromosome 22 Comparison between human chromosome 21 and chimpanzee chromosome 22
Direct Two Species Interactions Direct Two Species Interactions
Sources of Variation in Traits Among Individuals of a Species Sources of Variation in Traits Among Individuals of a Species
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