Ecology B/C

Test your knowledge of various Science Olympiad events.
MattChina
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Re: Ecology B/C

Postby MattChina » April 6th, 2018, 7:59 am

Questions
1. What is the difference between survivorship curves and the life table? Name and describe the three curves and three types of life tables. 2. Why are there different soil types in the cold deserts and the tundra, and what are their respective soil types? 3. Name 2 natural causes of NO[sub]x[/sub]/SO[sub]2[/sub] and 2 causes by humans.
Answer
1. Surviorship curves are graphs that show the mortality rates at each time interval hile life tables are tables that include the probability of an organism dying. So one is a graph and one is a table. 2.Climate and formation? Cold deserts have aridisols while tundra have gelisols and layers of permafrost 3. Lightning and volcanic eruptions. Consumption of fossil fuels and mining.
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Re: Ecology B/C

Postby kate! » April 6th, 2018, 8:07 am

Questions
1. What is the difference between survivorship curves and the life table? 2. Why are there different soil types in the cold deserts and the tundra, and what are their respective soil types? 3. Name 2 natural causes of NO[sub]x[/sub]/SO[sub]2[/sub] and 2 causes by humans.
Answer
1. Surviorship curves are graphs that show the mortality rates at each time interval hile life tables are tables that include the probability of an organism dying. So one is a graph and one is a table. 2.Climate and formation? Cold deserts have aridisols while tundra have gelisols and layers of permafrost 3. Lightning and volcanic eruptions. Consumption of fossil fuels and mining.
Correct.
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Re: Ecology B/C

Postby MattChina » April 6th, 2018, 9:15 am

QUESTIONS
1. Name all the steps of the nitrogen cycle and the chemicals and organisms involved.
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Re: Ecology B/C

Postby ScottMaurer19 » April 6th, 2018, 9:19 am

Questions-
1. What is the difference between Batesian and Mullerian mimicry? 2. Why do some deserts contain Entisols, rather than Aridisols? 3. How does eutrophication affect the properties of the water it occurs in?
Answers
1. Müllerian mimicry is when multiple species share the same warning coloration, but all of them have defenses and Batesian is when harmless species mimics aposematic coloration of harmful one 2.They are very dry 3. Eutrophication increased dissolved oxygen in the water
I mean, your second answer could be wayyyyyy more specific, but other than that, you're good.
Doesn't eutrophication cause hypoxia and not an increase in DO?
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MattChina
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Re: Ecology B/C

Postby MattChina » April 6th, 2018, 9:27 am

Answers
1. Müllerian mimicry is when multiple species share the same warning coloration, but all of them have defenses and Batesian is when harmless species mimics aposematic coloration of harmful one 2.They are very dry 3. Eutrophication increased dissolved oxygen in the water
I mean, your second answer could be wayyyyyy more specific, but other than that, you're good.
Doesn't eutrophication cause hypoxia and not an increase in DO?
Eutrophication can also cause an increase in oxygen during the day. I admit tho, my answer wasn't the best.
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Re: Ecology B/C

Postby Fridaychimp » April 9th, 2018, 7:36 pm

QUESTIONS
1. Name all the steps of the nitrogen cycle and the chemicals and organisms involved.
Answers
Fixation: converts atmospheric nitrogen into ammonia or nitrate, can be done naturally thru bacteria(ex: cyanobacteria) or artificially through Haber-Bosch Process. Ammonification: organic nitrogen converted to ammonia by bacteria or fungi Denitrification: nitrate is reduced to atmospheric nitrogen by anaerobic bacteria Assimilation: organisms (mainly plants and animals) incorporate nitrate and ammonia and convert it into organic nitrogen Nitrification: converts ammonia to nitrate, performed by soil bacteria such as [i]Nitrosomonas[/i]
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Re: Ecology B/C

Postby MattChina » April 9th, 2018, 7:42 pm

QUESTIONS
1. Name all the steps of the nitrogen cycle and the chemicals and organisms involved.
Answers
Fixation: converts atmospheric nitrogen into ammonia or nitrate, can be done naturally thru bacteria(ex: cyanobacteria) or artificially through Haber-Bosch Process. Ammonification: organic nitrogen converted to ammonia by bacteria or fungi Denitrification: nitrate is reduced to atmospheric nitrogen by anaerobic bacteria Assimilation: organisms (mainly plants and animals) incorporate nitrate and ammonia and convert it into organic nitrogen Nitrification: converts ammonia to nitrate, performed by soil bacteria such as [i]Nitrosomonas[/i]
yeah sounds about right
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Re: Ecology B/C

Postby Fridaychimp » April 10th, 2018, 1:45 pm

PREGUNTAS (multilingualism :D )
1. What is the difference between a fundamental and a realized niche? 2. Give 2 pros and cons of a carbon tax. 3. What is a movement corridor and why are they important? 4. What is the difference between the flora of a chaparral and a steppe?
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Re: Ecology B/C

Postby JoeyC » April 14th, 2018, 8:58 am

No one's been active on here for a month, so I'll ask some questions:

1. What is the difference between bioremediation and bioaugmentation?
2. What are 2 adaptations of plants to survive in the desert biome?
3. What happens to the birth and death rates of a population after it reaches carrying capacity?
1.) Bioremediation refers to using microorganisms native to the environment in clean ups, whereas bioaugmentation generally introduces new microbes to aid clean up
2.) Taking on waxy cuticles to reduce transpiration and finding ways to store water, such as the barrel cactus
3.) They oscillate; one grows while the other shrinks, and then the other grows while the other shrinks
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Re: Ecology B/C

Postby MattChina » April 15th, 2018, 2:23 pm

No one's been active on here for a month, so I'll ask some questions:

1. What is the difference between bioremediation and bioaugmentation?
2. What are 2 adaptations of plants to survive in the desert biome?
3. What happens to the birth and death rates of a population after it reaches carrying capacity?
1.) Bioremediation refers to using microorganisms native to the environment in clean ups, whereas bioaugmentation generally introduces new microbes to aid clean up
2.) Taking on waxy cuticles to reduce transpiration and finding ways to store water, such as the barrel cactus
3.) They oscillate; one grows while the other shrinks, and then the other grows while the other shrinks
um that was a long time ago. there r new questions now
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Re: Ecology B/C

Postby JoeyC » April 15th, 2018, 2:52 pm

Oh. Huh. :D oops
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Re: Ecology B/C

Postby MattChina » April 29th, 2018, 6:18 pm

PREGUNTAS (multilingualism :D )
1. What is the difference between a fundamental and a realized niche? 2. Give 2 pros and cons of a carbon tax. 3. What is a movement corridor and why are they important? 4. What is the difference between the flora of a chaparral and a steppe?
answers
1. a fundamental niche is one that could happen and a realized niche is the one occupied by the organism 2. decreased pollution, more money cons- higher taxes, hurt economy 3. An area of habitat connecting two separated habitats, they can lessen the effects of habitat fragmentation and habitat loss 4. Chaparral is shrubs and steppe is grasses
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Re: Ecology B/C

Postby Fridaychimp » April 30th, 2018, 6:35 pm

PREGUNTAS (multilingualism :D )
1. What is the difference between a fundamental and a realized niche? 2. Give 2 pros and cons of a carbon tax. 3. What is a movement corridor and why are they important? 4. What is the difference between the flora of a chaparral and a steppe?
answers
1. a fundamental niche is one that could happen and a realized niche is the one occupied by the organism 2. decreased pollution, more money cons- higher taxes, hurt economy 3. An area of habitat connecting two separated habitats, they can lessen the effects of habitat fragmentation and habitat loss 4. Chaparral is shrubs and steppe is grasses
Looks good!
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Re: Ecology B/C

Postby MattChina » April 30th, 2018, 6:47 pm

Questions
1. Where to most deserts occur on earth 2. Explain the process of Rainshadow effect and include adiabatic cooling in your answer. 3. Name one example of an organism for type I,II and III in the desert.(basically name an example of an organism that is that type)
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Re: Ecology B/C

Postby Flyingfish » May 1st, 2018, 5:37 pm

Questions
1. Where to most deserts occur on earth 2. Explain the process of Rainshadow effect and include adiabatic cooling in your answer. 3. Name one example of an organism for type I,II and III in the desert.(basically name an example of an organism that is that type)
1. Mostly along 30 degrees North and South

2. As air encounters a mountain, it is forced upwards, expanding the volume and making it cool. The moisture in the air begins to condense and can come down as precipitation. On the leeward side of the mountain, the air is compressed, increasing the temperature so that the now drier air can hold more moisture. This is the process of adiabatic cooling. The air can also collect moisture from the land on the leeward side of the mountain. This effect causes little precipitation and moisture on the leeward side of the mountain, creating deserts through the rainshadow effect.

3. Type 1: Camels
Type 2: Pinyon Jay
Type 3: Zebratail Lizard


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