Hippogriffs can have black fur or gray fur. However, there is a high rate of mutation from black alleles into gray alleles. In a population of 1000 hippogriffs, if there are 800 alleles for black fur and the forward mutation rate (ie., from black to gray) is 10%, approximately how […]

In the News URL: http://news.sciencemag.org/biology/2015/09/closer-look-nerves-slim-down-your-fat-cells Title: A closer look at the nerves that slim down your fat cells Author: Sarah C. P. Williams Published: September 24, 2015 on Science Magazine.org After reading the article, please answer the following questions. Note that each question is worth three points. To earn full […]

1. Suppose a person has spinal cord damage at the cervical level.  Would this stop the knee-jerk reflex?  How would it affect the plantat (BAbinski) reflex?  Explain. 2. Describe the meaing of intertia, and explain how inertia affects the hair cell processes of the innr ear during accelaration and deceleration. […]

Start by observing the living species around you. Select two non-human species that interact with each other,such as bees and flowers,or predetor and prey species or two species that compete. Or, you can consider the effect of an enviromental factor on living non-human organisims,such as the effects of light or […]