Ecology - General Questions and Answers

POSSIBLE POINTS 0 83 A farmer abandons a field The natural changes that occur in the field following the abandonment are considered to be secondary succession because O the ecosystem did not contain any soil there is already soil present in the ecosystem a new ecosystem develops

The number and abundance of similar organisms in the biosphere that can successfully interbreed refers to A marine pH diversity B ecosystem diversity C species diversity D genetic diversity

Abiotic factors such as marine pH and the various environments on earth are all part of A genetic biodiversity B population biodiversity C ecological biodiversity D species biodiversity

Sugar maple trees grow broad green leaves to capture sunlight for photosynthesis In cold conditions they drop their leaves and store sugar in their cells to prevent them from freezing The sugar maple is well adapted t which type of ecosystem OA One with thin soil that lacks nutrients OB One with extreme seasonal changes C One with hot dry conditions D One with freezing temperatures year round

Question 1 of 24 When a speaker shows partial agreement with a point what is she doing OA Qualifying a point OB Justifying a point OC Using deductive reasoning D Using inductive reasoning

What is one advantage a secondary source has over a primary source A A secondary source always presents information objectively B A secondary source summarizes complex subjects by synthesizing multiple sources C A secondary source is free of bias D A secondary source provides an interpretation from an eyewitness to an event

refers to the decision by a farmer to use genetically engineered crops rather than traditional crops when planting acreage Adoption of genetically engineered crops in the United States 1996 2016 Percent of planted acres 100 75 50 25 Bt cotton HT soybeans HT cotton HT com Bt corn 0 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 Data for each crop category include varieties with both HT and Bt stacked traits Sources USDA Economic Research Service using data from Fernandez Cornejo and McBride 2002 for the years 1996 99 and USDA National Agricultural Statistics Service June Agricultural Survey for the years 2000 16 2016 Write 2 to 3 sentences that describe the overall trend in the adoption of genetically engineered crops

Male Chad 2016 AGE GROUP Population A developed B developing C post industrial D pre industrial Female According to the age structure diagram shown Chad is most likely which type of country

WOLVES 2 2 2 2 2 1950 www 1000 RATA and Overview UK ALA 1979 1009 1900 YEAR AD 2012 The pon bology leware 2009 MOOSE Which of these factors would cause an INCREASE in a prey population A poor climate B a lack of precipitation C increased biotic potential D an increase in predators

C Age percentage of life span A constant loss B early loss C late loss D no loss The curve labeled B in the graph shown is known as survivorship

POPULATION 3215 TIME YEARS The red line on the graph represents A J exponential growth B K carrying capacity C C population limit D S logistic growth

POPULATION SINE Time years The red line on the graph represents A J exponential growth B S logistic growth C E energy limit D K carrying capacity

A B AGE Male Population Female This population pyramid is that of a developed country with a negative population growth Which of the following countries might have growth like this Italy Nigeria

Question 78 The is a type of grassland O tundra temperate forest savanna

What characteristic was observed concerning reproductive success between males and female elephant seals Males vary more in their reproductive success than females O Females vary more in their reproductive success than males Both sexes have equivalent rates of reproductive success because in each case a male and female is required for reproduction O Most females do not reproduce but instead a dominant female carries out almost all reproduction

Looking at this map which statement is supported 1 Point World Population Density 0 30 10 25 25 50 30 75 75 100 100 150 150 300 300 1000 1000 O India has the same population density as China O You can tell which country has the most people by how dense the population is India has a higher population density than most of the world