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...

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 ...

2024_OCR - GCSE Geography A (Geographical Themes) The World Around Us Merged Question Paper & Marking Scheme (Wednesday 5 June 2024 – Morning) Code: J383/02 Oxford Cambridge and RSA Wednesday 5 June 2024 – Morning GCSE (9–1) Geography A (Geographical Themes) J383/02 The World Around Us Time allowed: 1 hour * 9 9 3 8 3 9 6 9 8 0 * You must have: • the Resource Booklet (inside this document) You can use: • a ruler (cm/mm) • a scientific or graphical ...

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...

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 ...

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...

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 ...

Bio 150-Exam 1 JMU Questions and Answers 100% Verified and Updated Define Genetic Diversity - Answer️️ -Total genetic info contained within all individuals of a species, population, or community. Why is genetic diversity important? - Answer️️ -Provides raw material for adaptive change What is an 'adaptive change?' - Answer️️ -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 adapt...