Provide some examples of how human-made conditions affect Earth’s environment. Explain both the cause and the effects of these problems. Provide examples of what is being done today to address these problems. (Up to 5 points of extra credit, depending on detail)

Lakes may be polluted by ___________ from farms and lawns, which can cause blooms of algae that, in turn, lead to oxygen depletion and dead zones.

How much of the Earth’s water is in the form of fresh water available for drinking?

Which term refers to all the living organisms (many species) that inhabit a given area.

Which of the following arise from the sex cords of the embryonic gonadal stromaA) Yolk Sac tumor B) Sertoli-Leydig tumors C) Immature teratoma D) Cystadenocarcinoma

A patient presents with a positive pregnancy test, bleeding, and cramping. You notice that there is a hyperechoic oval-shaped structure within the gestational sac. The structure is 11 mm long. No fetal heart tones are detected. Which of the following is the most likely diagnosis? A) missed abortion B) complete abortion C) partial molar pregnancy D) anembryonic pregnancy

Human population growth over the past 200 years has been _________

Which statement about ectopic pregnancies is NOT true? A) Ectopic pregnancies can be caused by damage from sexually transmitted infections B) The most common clinical symptom is pain C) If a patient has had one ectopic pregnancy, she is at an increased risk for another D) The ovary is the most common site for an ectopic pregnancy

“Conserving earth’s resources in ways that meet the needs of people today without compromising the ability of future generations to meet their own needs” describes…

Introducing invasive species into an area will ultimately lead to a net ____ in biodiversity