Environmental Studies

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Which biome is characterized by permafrost? A) Tundra B) High latitude temperate forests C) ... Started by tiara099	1 Replies 114 Views	Jul 16, 2018 by karmakat49
People suffering from AIDS have a weakened immune system. Because of their disease, people who have ... Started by bcretired	1 Replies 83 Views	Jul 16, 2018 by lucas dlamini
As you paddle along in your canoe, you pass alligators, herons, turtles, and tall marsh grasses on ... Started by jjjetplane	1 Replies 94 Views	Jul 16, 2018 by allisonblackmore
Walking along a large city park on a hot summer day, you look for a cool resting place and sit down ... Started by Kikoku	3 Replies 203 Views	Jul 16, 2018 by chinwesucks
Primary productivity of the open oceans is very limited because of A) the shortage of water. B) ... Started by 09madisonrousseau09	1 Replies 326 Views	Jul 16, 2018 by Mollythedog
Which of the following represent ecosystems with high average annual net primary productivity? A) ... Started by a0266361136	1 Replies 93 Views	Jul 16, 2018 by chinwesucks
The Centers for Disease Control and Prevention employs many people who study epidemiology. Which of ... Started by Awilson837	1 Replies 82 Views	Jul 16, 2018 by diesoon
These ecological changes in the abandoned pasture represent A) aquatic to terrestrial succession. ... Started by P68T	1 Replies 120 Views	Jul 16, 2018 by Bigfoot1984
In this wooded region that was once pasture, a mature forest of towering oaks and hickory trees ... Started by mydiamond	1 Replies 113 Views	Jul 16, 2018 by amanda_14
The mosses changed the environment enough to permit grasses to grow in a process called A) ... Started by tingc95	1 Replies 100 Views	Jul 16, 2018 by akemokai
The establishment of the mosses on bare rock and eventual addition of grasses represents A) a ... Started by azncindy619	1 Replies 89 Views	Jul 16, 2018 by ndhahbi
The natural succession of a small farm pond will tend to A) increase the total amount of ... Started by lb_gilbert	3 Replies 182 Views	Jul 16, 2018 by apple
Compared to an ecosystem with just a single stage of succession, an ecosystem with a variety of ... Started by go.lag	1 Replies 143 Views	Jul 16, 2018 by bdobbins
The frequency of crown fires will decrease if A) forests are logged more frequently. B) smaller ... Started by shofmannx20	1 Replies 81 Views	Jul 16, 2018 by b614102004
The fact that life expectancy has increased significantly over the past 60 years in developing ... Started by biggirl4568	1 Replies 100 Views	Jul 16, 2018 by fauacakatahaias
About 10 of a large forest experienced a severe fire that burned all but the largest trees. Soon ... Started by codyclark	1 Replies 70 Views	Jul 16, 2018 by jordangronback
Which of the following statements about malaria is true? A) Malaria is the greatest health threat ... Started by bucstennis@aim.com	1 Replies 97 Views	Jul 16, 2018 by asdfghjkl;
Which of the following best represents a negative tipping point? A) Logging trees and preventing ... Started by fagboi	1 Replies 54 Views	Jul 16, 2018 by Viet Thy
The rise of tuberculosis in the past few decades is largely the result of A) the evolution of ... Started by londonang	1 Replies 69 Views	Jul 16, 2018 by fdliggud
The Long-Term Ecological Research sites (LTER) collectively focus on studying A) natural ... Started by fasfsadfdsfa	3 Replies 91 Views	Jul 16, 2018 by aham8f
A ground fire in a pine forest in southern Florida A) makes crown fires more likely in the burned ... Started by FButt	1 Replies 92 Views	Jul 16, 2018 by succesfull
Some regions of Iceland once were covered with forests. However, centuries ago humans logged the ... Started by 2125004343	1 Replies 65 Views	Jul 16, 2018 by jonathanballen97
About 40 of the land's primary production on Earth A) has been appropriated to meet human needs. ... Started by javeds	1 Replies 36 Views	Jul 16, 2018 by jsm54321
Questions about the danger of a particular chemical hazard will relate to that chemical's A) ... Started by rlane42	1 Replies 97 Views	Jul 16, 2018 by Juro
Some milk becomes contaminated with mercury. If each of the following people consume 16 ounces of ... Started by renzo156	1 Replies 111 Views	Jul 16, 2018 by mammy1697