Threats to biodiversity - Study guides, Class notes & Summaries

Main questions of course - 1. How do humans alter earth 2. how do human alterations affect the biosphere 3. What can be done to alleviate human alterations of the biosphere Greatest ecological impacts of humans(most to least) - 1. Nitrogen fixation 2. Water use 3. Land transformation 4. CO2 concentration rise 5. Ocean acidification 6. Bird extinction 7. Plant invasion Planetary Boundaries - Limits between which global systems must operate to prevent abrupt and irreversible environment...

ACTIVITY 1 1.1 Environmental education (EE) processes need to take into consideration the history and context behind certain environmental issues and their implications for communities and their lived context. 1.1.1 State any three environmental issues faced by the South African citizens. 1.1.2 Discuss the implications of the above-mentioned environmental challenges. 1.1.3 Name at least one softwood tree species. (1) 1.1.1 Three environmental issues faced by South African c...

AQA A-level GEOGRAPHY 7037/2 Paper 2 Human Geography Question Paper + Mark scheme [MERGED] June 2022 G/KL/Jun22/E6 7037/2 (JUN) A-level GEOGRAPHY Paper 2 Human Geography Time allowed: 2 hours 30 minutes Materials For this paper you must have:  the colour insert (enclosed)  a pencil  a rubber  a ruler. You may use a calculator. Instructions  Use black ink or black ball-point pen.  Fill in the boxes at the top of this page.  Answer all questions in Secti...

FBS PREP 2024 EXAM 1 QUESTIONS & ANSWERS Biodiversity assessment - ANSWERS- a process which collects and reports scientific information to be used for resource management - first step in the process of defining the management objectives of an area protected area (PA) management - ANSWERSBiodiversity assessment and monitoring is a key activity in? Rapid Biodiversity Assessment (RBA) - ANSWERS- designed to rapidly assess the boidiversity of highly diverse areas, identify the threats to...

Define Genetic Diversity correct answers Total genetic info contained within all individuals of a species, population, or community. Why is genetic diversity important? correct answers Provides raw material for adaptive change What is an 'adaptive change?' correct answers Happens when there is a change in genetic sequencing to produce an individual who is better fit for a new environment. An individual CANNOT make adaptive changes, but WHO can? correct answers offspring Define ...

2 © OCR 2023 Ecosystems of the Planet 1 (a) Look at the table below, which shows climate data for a hot desert ecosystem. Climate data for a hot desert ecosystem Months Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Rainfall (mm) 6 5 4 2 1 0 0 0 0 1 3 6 Average Temperature (°C) 19 15 (i) State the mode for the rainfall data. ...................................................................................................................................... [1] (ii) Calculate ...

IOP3703 Exam Memo Part 1 – The competent human being: The latest research shows the importance of developing employees on all levels of the organisation on a continual basis. Human Capacity Development – the focus is on developing behaviour, skills, attitudes and competencies that will enhance the overall quality of a person’s work life. Growth Psychology’s aim is to find and define a healthy personality. They argue that it is necessary for human beings to strive for that a...

Bill Nye: Biodiversity Questions and Answers Graded A+ What is biodiversity? Biodiversity refers to the variety of living organisms in a particular area, including different species, genetic variations, and ecosystems. Why is biodiversity important? Biodiversity is important because it helps maintain ecosystem stability, provides resources for food and medicine, and supports overall environmental health. What are some threats to biodiversity? Some threats to biodiversity include...

Ecosystem services correct answer: the benefits people obtain from ecosystems provisioning services correct answer: Benefits of biodiversity that humans use, including lumber, fur, meat, crops, water, and fiber regulating services correct answer: benefits of biodiversity that include climate regulation, flood control, and water pollution/quality cultural services correct answer: benefits of biodiversity that provide aesthetic, spiritual, or recreational value like ecotourism and spo...

2 examples of changes in global N cycle caused by humans + why problematic - 1. Runoff from agricultural areas causes dead zones - EX: parts of the ocean with no oxygen so nothing can live in it 2. Acid rain due to emissions from power plants—affects soils negatively 3 major forest formations (tree type, precipitation, temperature, and water balance) - 1. Tropical and subtropical rainforest - Evergreen trees - Positive water balance - High annual rainfall and temperatures (because they...