Ecology - Ecosystems Questions and Answers

Match these vocabulary words with the Column A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Ecology Biosphere Biotic factors Abiotic factors 19 Community Population Ecosystem Population density Limiting factor Carrying capacity Symbiosis Predation Mutualism Commensalism Habitat Parasitism Food chain Niche Food web Column B a The process where a predator hunts and kills prey to eat b The number of a species living in an area c All of the food chains in a system d The concentration of a species in an area e The role an organism plays in a community f All of the non living parts of an environment g The study of how organisms relate to each other and their physical environment h All of the living parts of an environment i A relationship between two organisms where one benefits and the other is harmed j A community of interacting organisms and their physical environment k Two or more living organisms living together for the benefit of one or both I Anything that limits a population from increasing in number m Two or more living organisms living together for the benefit of both n A relationship between two organisms where one benefits and the other is not harmed o The average population that a habitat can support p Multiple species interacting in an area q A place where a species lives and gets what it needs to survive r All parts of the earth that contain life all ecosystems that shows how energy and

Mallard Population Esitmate 3 000 000 2 500 000 2 000 000 1 500 000 1 000 000 Great Lakes Mallard Population Estimates 1661 2641 THAT MAT A r B Z C X D K 9647 198 1641 199 MAT meer Po coer voor Year weer wer 1002 1965 moor seor ter etor 100 The Mallard Duck growth pattern shown is common among strategists

Primary Consumer Producers Decomposer Secondary Consumer Food 5 Chain Tertiary Consumer The 10 rule states that only 10 of the energy found at each level is transferred to the next level If the producers have 1000 joules of energy how much energy is transferred to the next level Final Consumer 100 Joules

1 Compare and contrast homologous structures and analogous structures 2 Provide one example of two homologous structures and one example of two analogous structures

The used water that flows into a water treatment facility is known as 1 Point O outfluent influent 100 Arty

Carbon Dioxide Methane gas and Water vapor 1 Point are ozone molecules are all greenhouse gases O work to cool global temperatures 19 The Industrial Revolution of the 1800 s created machines and factories that 1 Point O increased biodiversity were sustainable and environmentally friendly obtained most of its energy from fossil fuels

Based on this population pyramid how would you describe this country 1 Point 100 95 99 90 04 35 80 80 84 75 79 70 74 65 09 60 64 55 59 50 54 45 40 40 44 35 39 30 34 25 29 20 24 15 10 10 14 5 0 0 4 10 O O 8 O 6 Male 3 3 3 3 3 2 3 1 3 4 3 2 2 7 3 2 446 2 5 3 0 3 0 2 3 2 4 3 1 3 0 2 8 1 4 25 0 0 0 0 0 7 0 1 0 1 0 3 0 0 5 1 0 1 6 2 5 2 5 2 0 2 7 3 2 2 1 3 0 3 0 3 2 3 0 2 8 2 8 2 9 2 9 2 7 2 0 4 Female 6 8 developed nation low birth rate long life expectancy shrinking population developed nation low infant mortality long life ex pectancy stable population growth O developing nation high birth rate short life expectan cy fast population growth a country at war that loses young adults at a faster rate 10

Charles Darwin s observations that finches from different species on the Galapagos Islands have many similar physical characteristics supports the hypothesis that these finches 1 Point originated from a common ancestor O acquired traits through use and disuse all eat the same type of food 9 An increase in the average global temperature is known as 1 Point O global warming O global freezing greenhouse gases

A flood wipes out most of the brown field mice leaving mostly white mice This is an example of 1 Point O natural selection O gene flow V

Which of the following is correct about the layers of the rainforest and its contents A The ground layer of plants receives abundant sunlight B The canopy consists of very tall trees that block sunlight from lower layers C The canopy is the lowest layer of the rainforest and is mostly plants that are low to the ground D There are very few vines in the rainforest

Phosphorus recovered from waste stream can be used as slow releasing for crops 1 Point carbon methane O fertilizer seeds 2 The main ingredient for PET is para xylene used to make plastic bottles a clear liquid derived from 1 Point O plants animals O water

The lower the biodiversity in an area the greater the stability of the ecosystem True False POSSIBLE POINTS 0 56

Identify each of the following a a LIVING or NONLIVING factor on Carrying Capacity 1 Natural Disaster 2 Predation 3 Competition 4 Water Access

A population of rabbits is introduced to an island The population grows according to the logistic growth model given by the equation P t K 1 A e rt where P t represents the population size at time t K is the carrying capacity A is a constant related to the initial conditions and r is the growth rate For this rabbit population the carrying capacity K is 1000 the constant A is 200 and the growth rate r is 0 05 Calculate the population size at time t 5 years

Which describes the desert biome A driest of all biomes very little water cacti plants have wax coating nocturnal animals B permafrost of soil cold temperatures and high winds mosses and lichens can grow C dense spiny shrubs hot and dry also called shrubland or chapparal D little rain and warm year round covered with grasses and few trees and

in this graphic two plates liding past each other W type of boundary is thi a transform fault boundary a divergent boundary a convergent boundary