School of Life Sciences | Ask A Biologist

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Have you ever wondered what  questions we have received and answered over the years? You are not alone. Others have wondered the same thing. After answering more than 30,000 queries we have sorted through our collection and are listing a few of our top questions and answers.

We hope you enjoy them.

  • Positron emission tomography (PET) image of brain.

    Does brain size relate to intelligence?
    Answer >>

  • What do the different calls of gulls mean?
    Answer >>

  • A blue fish.

    How did ancient fish make the evolutionary jump from gills to lungs?
    Answer >>

  • Earth

    How many people can the earth support?
    Answer >>

  • How are humans different from other animals?
    Answer >>

  • Human Iris

    How does eye color get passed from parents to children?
    Answer >>

  • Leaf

    How much water are we using per year in the Phoenix area?
    Answer >>

  • Lizard

    If birds evolved from dinosaurs, would that make them reptiles too?
    Answer >>

  • Macadamia Nut

    Is a Macadamia nut really a seed, or a nut?
    Answer >>

  • What are 'moon flowers' and why do they bloom only at night?
    Answer >>

Positron emission tomography (PET) image of brain.

Does brain size relate to intelligence?
Answer >>

See More Top Questions

Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.

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Positron emission tomography (PET) image of brain.

Does brain size relate to intelligence?
Answer >>

See More Top Questions

Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.