1 a. An ovum is released by a mature ovarian follicle, but the subsequent corpus luteum does not secrete progesterone. If the ovum is fertilized, is implantation possible? Is a full-term pregnancy possible? Explain. b. The reproductive system may seem a bit isolated from other body systems in that its […]

You probably notice every day that some objects in the environment are easier to notice than other objects. For example, workers at sports stadiums often wear bright yellow shirts, which are very easy to see. While the crowd may blend in together, the workers are prominent and are easy to […]

In Drosophila, a cross (cross 1) was made between two mutant flies, one homozygous for the recessive mutation bent wing (b) and the other homozygous for the recessive mutation eyeless (e). The mutations e and b are alleles of two different genes that are known to be very closely linked […]

Ecology Unit QuizSchedule: Available now.Due 10/04/2015 11:59 PM EDTQuestion 1 Select one answer. 10 points What is the currently accepted scientific explanation for anthropogenic global climate change?  Heat escapes from engines, forest fires, machinery, power plants, etc.  Human activities raise greenhouse gas levels and strengthen the greenhouse effect.  The hole […]