Showing results for: Biology

HIV is a retrovirus that causes AIDS. But where did it come from, and how did it spread?

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Is it 5? Or could it be as high as 11? Or as few as 3? How is the fossil record used to make this determination and how could how the record is interpreted affect our conclusions? (3:21 min.)

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I teach high school Biology, Chemistry, and several general science courses from grade 9-12.

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As the owner of a small company I am fully involved in the day to day running of the business. I market our services, meet with prospective customers, as well as do service and diagnostic work on various equipment. I also work part time at the College of the North Atlantic as an instructional assistant in the biomedical engineering program.

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We all know that acquired traits can not be passed on to future generation..right? Wrong! More and more evidence indicates that external factors can affect gene expression and this can be passed onto offspring. (2:47 min.)

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CurioCity resources which align with Yukon's Science 10 Curriculum Content area on Genes as the foundation for living things (Genetics).

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CurioCity resources which align with Saskatchewan's Science Grade 10 Curriculum Unit on Climate and Ecosystem Dynamics.

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CurioCity resources which align with Yukon's Anatomy and Physiology 12 Curriculum Content area on the Homeostasis.

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CurioCity resources which align with British Columbia's Anatomy and Physiology 12 Curriculum Content area on the Homeostasis.

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The elephant is a creature of epic proportions — and yet, it owes its enormity to more than 1,000 trillion microscopic cells. Why don’t we get unicellular elephants? Or blue whales? Murry Gans explains. (4:06 min.)

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