ENVIRONMENTAL SCIENCE UNIT 4 PRACTICE TEST WITH ANSWERS

ENVIRONMENTAL SCIENCE UNIT 4 PRACTICE TEST WITH ANSWERS The world's smallest lemur is only found in Madagascar. This animal is an... - CORRECT ANSWER-ENDEMIC SPECIES Read the paragraph; then and choose the best answers. Palm Tree Paradise is a slum in Nairobi. The slum is 50 square kilometers in size.Currently, 100,000 people live there. Last year, 150,000 children were born and 80,000 people immigrated. 95,000 people died and 2,000 emigrated. It is believed that theslum, with proper infrastructure, could support up to 500 people per square kilometer. The current growth rate is... - CORRECT ANSWER-133% The Endangered Species Act protects biodiversity by... - CORRECT ANSWERPRESERVING HABITAT If a population has a majority of younger people, the future population numbers will most likely... - CORRECT ANSWER-INCREASE The process of cities being built and expanded and people moving into those cities is called... - CORRECT ANSWER-URBANIZATION ...species are most likely to go extinct. - CORRECT ANSWER-ENDEMIC The reason bed bug infestations are so hard to get rid of is because... - CORRECT ANSWER-INBREEDING DOES NOT AFFECT THEIR ABILITY TO PRODUCE HEALTHY OFFSPRING Tigers are in the same family as the lynx and the same order as the hyena. Which of these is the tiger more closely related to... - CORRECT ANSWER-LYNX The main mechanism of de-extinction is... - CORRECT ANSWER-CLONING fertility rate... - CORRECT ANSWER-THE NUMBER OF BABIES BORN PER 1,000 WOMEN growth rate... - CORRECT ANSWER-THE CHANGE IN POPULATION NUMBERS OVER TIME replacement level... - CORRECT ANSWER-THE NUMBEROF CHILDREN EACH WOMAN MUST HAVE IN ORDER FOR POPULATION LEVELS TO REMAIN THE SAME IN THE FUTURE total fertility rate... - CORRECT ANSWER-THE AVERAGE TOTAL NUMBER OF CHILDREN A WOMAN WILL HAVE IN HER LIFETIME IN A CERTAIN AREA Palm Tree Paradise is a slum in Nairobi. The slum is 50 square kilometers in size.Currently, 100,000 people live there. Last year, 150,000 children were born and 80,000 people immigrated. 95,000 people died and 2,000 emigrated. It is believed that the slum, with proper infrastructure, could support up to 500 people per square kilometer. The total carrying capacity of the slum is... - CORRECT ANSWER-25,000 PEOPLE Define conservation... - CORRECT ANSWER-THE PRESERVATION AND RESTORATION OF SOMETHING A group of closely related species is a... - CORRECT ANSWER-GENUS Invasive species cost the United States $138... every year. - CORRECT ANSWERBILLION Palm Tree Paradise is a slum in Nairobi. The slum is 50 square kilometers in size.Currently, 100,000 people live there. Last year, 150,000 children were born and 80,000 people immigrated. 95,000 people died and 2,000 emigrated. It is believed that theslum, with proper infrastructure, could support up to 500 people per square kilometer. The current population density is... - CORRECT ANSWER-2,000 PEOPLE/SQ KM Define biodiversity... - CORRECT ANSWER-THE NUMBERS AND VARIETY OF DIFFERENT SPECIES IN A GIVEN AREA Kikuyu grass has a long photosynthetic period and is most likely to be an... - CORRECT ANSWER-INVASIVE SPECIES The conflict between preserving biodiversity and fulfilling human needs most often centers on... - CORRECT ANSWER-ECONOMICS The current mass extinction is thought to be caused by... - CORRECT ANSWERHUMANS ...species are least likely to go extinct. - CORRECT ANSWER-INVASIVE carrying capacity... - CORRECT ANSWER-THE MAXIMUM NUMBER OF A SPECIES AN ECOSYSTEM CAN SUPPORT INDEFINITELY limiting resources... - CORRECT ANSWER-NATURAL RESOURCES THAT LIMIT POPULATION GROWTH population dispersion... - CORRECT ANSWER-THE ARRANGEMENT OF INDIVIDUALS WITHIN A CERTAIN AMOUNT OF SPACE reproductive potential... - CORRECT ANSWER-THE MAXIMUM NUMBER OF OFFSPRING AN INDIVDUAL OF THE POPULATION CAN PRODUCE The development of land at the edges of cities is called... - CORRECT ANSWERURBAN SPRAWL Endemic... - CORRECT ANSWER-NATIVE SPECIES THAT ARE ONLY FOUND IN ONE LOCATION AND NOWHERE ELSE ON EARTH Indigenous... - CORRECT ANSWER-NATIVE SPECIES THAT ARE FOUND IN MORE THAN ONE LOCATION ON THE EARTH Native... - CORRECT ANSWER-A SPECIES THAT HAS EXISTED IN A CERTAIN AREA FOR A LONG PERIOD OF TIME, USUALLY THOUSANDS OF YEARS Using the precautionary principle helps conservationists decide... - CORRECT ANSWER-WHICH HABITATS TO SPEND MONEY ON WITH LIMITED RESOURCES Define invasive species... - CORRECT ANSWER-AN INTRODUCED SPECIES THAT REPRODUCES AND SPREADS RAPIDLY, CAUSES GREAT DAMAGE, AND IS DIFFICULT TO CONTROL Define infectious disease... - CORRECT ANSWER-AN ILLNESS THAT IS CAUSED BY ONE ORGANISM OR SUBSTANCE ENTERING ANOTHER ORGANISM AND INFECTING IT ...species are one of the main threats to biodiversity. - CORRECT ANSWER-INVASIVE During the... phase of human population growth, fertility rates begin to fall below replacement levels, leading to population decline. - CORRECT ANSWERPOSTINDUSTRIAL Populations with low genetic diversity are more threatened by extinction through... - CORRECT ANSWER-INFECTIOUS DISEASE During the... phase, both rates and death rates are high, creating stable population levels. - CORRECT ANSWER-PREINDUSTRIAL United States legislation, which seeks to conserve species on the brink of extinction, is called the... - CORRECT ANSWER-ENDANGERED SPECIES ACT All... species are dangerous to ecosystems. - CORRECT ANSWER-INVASIVE The best way to preserve biodiversity is to preserve... - CORRECT ANSWERHABITATS Slash-and-burn agriculture often leads to... - CORRECT ANSWER-DESERTIFICATION Which name correctly identifies the scientific name of the cougar... - CORRECT ANSWER-Puma concolor (italicized)