Threat biodiversity - Samenvattingen, Aantekeningen en Examens

What is extinction? correct answer: The loss or death of a species What is mass extinction? correct answer: A decline in biodiversity greater than the background extinction rate What is background extinction? correct answer: Background extinction occurs when certain populations are reduced to zero because of normal environment change, emerging disease, predation pressure, or competition with another species How are mass extinctions detected and how many have been detected? correct an...

EWS2601 Assignment 2 (COMPLETE ANSWERS) Semester 1 2024 ... 100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . Assignment 02 – Semester 1 (2024) This assignment is based on Theme 5, ‘Actively engaging with our world’, of your study guide, specifically Study Unit 19 within Theme 5. To orient yourself it is essential that you start off by reading through this unit. However, you will not find the an...

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...

What are two key elements in preventing or reducing losses to forest pests? - Pest identification and good forest management practices (T/F) One standard set of management alternatives is effective against all forest pests and pest complexes. - False Insect pheromones are chemicals that are used by members of an insect species for ___ - Communication Pesticides should be used as part of pest management plan ___ - Only to prevent an unacceptable amount of damage In general, ____________ a...

Primavera Biology B Unit 5: Ecology Questions and Answers 100% Pass CHECKPOINT 22 Which describes symbiosis? Two organisms belonging to different species live closely together and have specific interactions. What is the most specific ecological level? an organism A tick feeding off the blood of a dog is an example of which type of relationship? parasitism In which of the following situations would primary succession occur? on an island just formed by a volcano Which of the following descr...

environmental pressures correct answers the factors (abiotic or biotic) in an ecosystem which put pressure on an organism's survival and increase competition (whether inter-species or intra-species) biodiversity correct answers a combination of the species diversity, genetic diversity and habitat diversity of an ecosystem variation correct answers the differences, either physical or genetic, between individuals of a species simpson's diversity index correct answers a measure of divers...

EWS2601 Assignment 02 Semester 1 2024 ... 100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . Assignment 02 – Semester 1 (2024) This assignment is based on Theme 5, ‘Actively engaging with our world’, of your study guide, specifically Study Unit 19 within Theme 5. To orient yourself it is essential that you start off by reading through this unit. However, you will not find the answers to the quest...

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 ...

Content Exam 305 Latest 2024 Already Graded A Host a food source Decrease in atmospheric pressure associated with stormy weather and precipitation Barometer an instrument that measures atmospheric pressure Anemometer measures the speed of wind or gas current Hygrometer measures humidity of air or gas Independent Variable quantity that is known, plotted along the X-axis Dependent Variable quantity that is unknown, plotted along the Y-axis Recessive little t, an allele t...

what is an animal's niche - ANSWER-it's role or job in the ecosystem how many dimensions can a niche have - ANSWER-it can have many dimensions can animals share a niche - ANSWER-no, one of them are going to out win the other specialist - ANSWER-animals with specific needs and a low range of tolerance generalist - ANSWER-animals with unspecific needs and a high range of tolerance logistic growth - ANSWER-when growth rate decreases as the population reaches carrying capacity what limiting...