College of Letters and Science | University of California, Berkeley

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• Life at many scales

  Tropical forests are renowned for their biodiversity, but little is known about the microbes. A vast array of fungi & bacteria live inside every leaf, without harming the host plant. These "endophytes" likely play an important ecological role, and their metabolites offer an untapped pharmacological resource.
  Photo: Seth Kauppinen

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• Marine ecology

  IB Grad Student Maya deVries snorkeling at Lizard Island on the Great Barrier Reef, Australia in search of mantis shrimp. Over 30 species of mantis shrimp call Lizard Island home, which makes this place great for studying mantis shrimp feeding behavior.
  Photo: Erica Staaterman

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• Paleontology

  IB Grad student Brian Swartz (Padian Lab) examining vertically uplifted fossil tetrapod footprints in Utah. Next photo: Brian studying Acanthostega gunnari, the first known digit-bearing vertebrate (~360 million years old), at the University of Cambridge Museum of Zoology.

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• Yellow-eyed
  Ensatina

  This salamander (Ensatina eschscholtzii xanthoptica), with orange skin and bright yellow eyes, is a mimic of the Western Newt (Taricha sp.), a poisonous species that lives in the same habitat with Ensatina around the Bay Area.
  Photo: Yu Zeng

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• Field Sites

  Emily Lindsey working in her field site in SW Ecuador. Emily is studying the extinction of the Pleistocene megafauna. The bones pictured are a femur, tibia-fibula and other bone fragments of giant sloths ~10,000-40,000 years old.

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• Poison Octopus

  Female Greater Blue-Ringed octopus, Hapalochlaena lunulata is carrying her eggs. Blue-rings are known for their toxin (tetrodotoxin) and can be turned on or off as a warning. This tiny octopus (the size of a grape) contains enough TTX to kill several adult humans.
  Photo: Roy Caldwell

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• Lupinus nanus

  Sky lupines (Lupinus nanus) are a common spring resident of California annual grasslands. Lupines add nitrogen to the soil through their mutually beneficial symbiosis with root-nodulating rhizobium bacteria.
  Photo: Joshua Povich

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Advising Office

299 Life Sciences Addition ~ 2nd Floor

Student Affairs Officer
Mei Griebenow
(510) 643-7330

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Thank you for your interest!

Congratulations on IB's 5 students who've won DDIG Awards

Mary Louisa Wright: Caldwell Lab
Yu Zeng: Robert Dudley & David Wake Lab
Seth Kauppinen: Paul Fine Lab
Benjamin Carter: Brent Mishler Lab
Sonal Singhal: Craig Moritz Lab

Graduate Program

Integrative Biology takes a whole-organism approach, extending from the genome and proteome through organismal traits (phenotypes), to communities and ecosystems.
This unique multi-dimensional approach underpins our graduate program, where students combine observational, experimental, and comparative approaches with the development of theory, and apply concepts and techniques from the biological sciences and other disciplines.