What is the difference between primary ecological succession and secondary ecological succession ?

What is the difference between primary ecological succession and secondary ecological succession ?
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Primary ecological succession is the changing sequence of communities from the first biological occupation of a place where previously there were no living beings. For example, the colonization and the following succession of communities are in a bare rock. Secondary ecological succession is the changing sequence of communities from the substitution of a community by a new one in a given place. For example, the ecological succession from the invasion of plants and animals are in an abandoned crop or land.   
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What is the climax stage of an ecological succession ?

Description : What is the climax stage of an ecological succession ?

Last Answer : The climax stage is the stage of the ecological succession in which the community of an ecosystem becomes stable and does not undergo significant changes. In the climax community practically all ecological ... of the phytoplankton are the main producers of the molecular oxygen of the planet.)

What is ecological succession ?

Description : What is ecological succession ?

Last Answer : Ecological succession is the changing sequence of communities that live in a ecosystem during a given time period. Image Diversity: ecological succession

What is the difference between ecological niche and habitat ?

Description : What is the difference between ecological niche and habitat ?

Last Answer : Ecological niche is the set of peculiar activities, resources, and strategies that a species explores to survive and reproduce. Habitat is the place where the species lives to explore its ecological niche. ... "address" of the species and the ecological niche is the "profession" of the species.

What are the main interspecific ecological interactions ?

Description : What are the main interspecific ecological interactions ?

Last Answer : The main harmonious interspecific ecological interactions are protocooperation, mutualism and commensalism. The main inharmonious interspecific ecological interactions are interspecific competition, parasitism, predatism and ammensalism.

Why is cannibalism an inharmonious intraspecific ecological interaction ?

Description : Why is cannibalism an inharmonious intraspecific ecological interaction ?

Last Answer : In cannibalism an individual eat other of the same species (occurs in some insects and arachnids). Since it is an interaction between beings of the same species and at least ... intraspecific ecological interaction is justified. Symbiosis and Other Interactions - Image Diversity: cannibalism

What are the main intraspecific ecological interactions ?

Description : What are the main intraspecific ecological interactions ?

Last Answer : The main harmonious intraspecific ecological interactions are colonies and societies. The main inharmonious intraspecific ecological interactions are intraspecific competition and cannibalism. Symbiosis and Other Interactions - Image Diversity: colonies animal societies

What is harmonious ecological interaction ?

Description : What is harmonious ecological interaction ?

Last Answer : Harmonious, or positive, ecological interaction is that in which none of the participating beings is harmed.

What is inharmonious ecological interaction ?

Description : What is inharmonious ecological interaction ?

Last Answer : Inharmonious, or negative, ecological interaction is that in which at least one of the participating beings is harmed.

What are intraspecific and interspecific ecological interactions ?

Description : What are intraspecific and interspecific ecological interactions ?

Last Answer : Intraspecific ecological interactions are those between individuals of the same species. Interspecific ecological interactions are ecological interactions between individuals of different species.

How are ecological interactions classified ?

Description : How are ecological interactions classified ?

Last Answer : Ecological interactions are classified as intraspecific or interspecific interactions and as harmonious or inharmonious interactions.

What is inharmonious ecological interaction ?

Description : What is inharmonious ecological interaction ?

Last Answer : Inharmonious, or negative, ecological interaction is that in which at least one of the participating beings is harmed.

How are the heterotrophic beings divided in the ecological study of food interactions ?

Description : How are the heterotrophic beings divided in the ecological study of food interactions ?

Last Answer : Heterotrophs are divided into consumers and decomposers. An ecosystem can exist without consumers but it cannot be sustained without decomposers. Without the decomposers, the organic material would accumulate causing environmental degradation and later death of the living beings.

In the ecological study of food interactions how are the autotrophic beings called ?

Description : In the ecological study of food interactions how are the autotrophic beings called ?

Last Answer : In Ecology, autotrophic beings are called producers because they synthesize the organic material consumed by the other living beings of an ecosystem. An ecosystem cannot exist without producers.

What are the strengths and weaknesses of an ecological perspective in understanding life?

Description : What are the strengths and weaknesses of an ecological perspective in understanding life? 

Last Answer : The great strength of ecology is that it deals with living things in terms of their natural surroundings rather than in artificial isolation. Other branches of biology focus upon particular aspects of ... has been achieved, particularly where clear boundaries to a habitat exist, such as on islands 

In the short range what will happen to the levels above and below a population of secondary consumers of a numeric pyramid if a large number of individuals from this population dies ?

Description : In the short range what will happen to the levels above and below a population of secondary consumers of a numeric pyramid if a large number of individuals from this population dies ?

Last Answer : If an intermediate level of a numeric pyramid has its variable dimension decreased, i.e., if the number of individuals of such level is reduced, the number of individuals of the level below will ... will face less predators and the individuals of the level above will have less available food.

During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community (c) the gradual and predictable change in species composition occurs in a given area (d) the establishment of a new biotic community is very fast in its primary phase.

Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.

Last Answer : (c) the gradual and predictable change in species composition occurs in a given area

What is the formula of the net primary production ?

Description : What is the formula of the net primary production ?

Last Answer : NPP)? How does NPP relate to the energy pyramids? Net primary production is the gross primary productivity less the organic material consumed as energy source in the metabolism of the producers: NPP = GPP ... these pyramids is to show the available energy in each trophic level of the food chain.

What are the factors that for influencing photosynthesis also interfere with the gross primary productivity ?

Description : What are the factors that for influencing photosynthesis also interfere with the gross primary productivity ?

Last Answer : Mainly water and light, but also mineral salts, temperature, and carbon dioxide are factors that interfere with the gross primary productivity.

What is the gross primary production of an ecosystem ?

Description : What is the gross primary production of an ecosystem ?

Last Answer : How does GPP relate to photosynthesis? Gross primary production of an ecosystem, or GPP, is the quantity of organic material found in a given area in a given period. Since only autotrophs ... material and photosynthesis is the main production process, GPP is a result of the photosynthesis.

What are primary consumers ?

Description : What are primary consumers ?

Last Answer : Can food chain present quaternary consumers without having secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain? Primary consumers are ... different chains not always belonging to the same consumer order in each of them.

What is the primary energy source for life on earth ?

Description : What is the primary energy source for life on earth ?

Last Answer : The primary energy source for life on earth is the sun. The sun plays the important role of keeping the planet warmed and it is the source of the luminous energy used in photosynthesis. ... the photosynthetic autotrophic beings and consumed by the other living beings. Image Diversity: the sun

What is the difference between primary and secondary succession?

Description : What is the difference between primary and secondary succession?

Last Answer : A: Primary succession occurs in an area where no soil or organisms are present, while secondary succession occurs in an area that has previously been inhabited by organisms but has been disturbed or damaged.

What is the difference between the concepts of food chain and food web ?

Description : What is the difference between the concepts of food chain and food web ?

Last Answer : The chain concept is a theoretical model to study the energy flux in ecosystems. Actually, in an ecosystem the organisms are part of several interconnected food chains, forming a food web. Therefore, ... of nature in which the food chains interconnect forming a web. Image Diversity: food web

What is a community ? What is the difference between the concepts of community and population?

Description : What is a community ? What is the difference between the concepts of community and population?

Last Answer : Community is the set of populations of living beings that live in the same region and interact with each other. In Ecology population is a set whose members (living in a given place in a given time) are ... is a set of populations of different species (living in a given place in a given time).

Is primary succession faster than secondary succession?

Description : Is primary succession faster than secondary succession?

Last Answer : Secondary succession is faster than primary succession because soil is already there and the soil usually contains many seeds.

Which one of the following statements is correct for secondary succession? (a) It begins on a bare rock. (b) It occurs on a deforested site. (c) It follows primary succession. (d) It is similar to primary succession except that it has a relatively fast pace.

Description : Which one of the following statements is correct for secondary succession? (a) It begins on a bare rock. (b) It occurs on a deforested site. (c) It follows primary succession. (d) It is similar to primary succession except that it has a relatively fast pace.

Last Answer : (b) It occurs on a deforested site.

During ecological succession:

Description : During ecological succession:

Last Answer : During ecological succession: A. the changes lead to a community that is in near equi- librium ... D. the number and types of animals remain constant

In the grass lands, trees do not replace the grasses as a part of an ecological succession because of - (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Description : In the grass lands, trees do not replace the grasses as a part of an ecological succession because of - (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Last Answer : (4) Water limits and fire Explanation: Grass ecosystems are an early stage of succession in regions where the mature ecosystems are forests. However, grass ecosystems are climax ecosystems in ... soil of grassland ecosystem is rich in nutrients and organic matters and provides the largest biomass.

Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Description : Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Last Answer : (d) Least genetic diversity

During the process of ecological succession the changes that take place in communities are

Description : Q6. During the process of ecological succession the changes that take place in communities are a. Orderly and sequential b. Random c. Very quick d. Not influenced by the physical environment.

Last Answer : 6. (a) orderly and sequential

In the grass lands, trees do not replace the grasses as a part of an ecological succession because of (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Description : In the grass lands, trees do not replace the grasses as a part of an ecological succession because of (1) Limited sun light and paucity of nutrients (2) None of the options (3) Insect and fungi (4) Water limits and fire

Last Answer : Water limits and fire

What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (a) Inverted pyramid of biomass (b) Pyramid of energy (c) Upright pyramid of numbers (d) Upright pyramid of biomass

Description : What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (a) Inverted pyramid of biomass (b) Pyramid of energy (c) Upright pyramid of numbers (d) Upright pyramid of biomass

Last Answer : (a) Inverted pyramid of biomass

What type of ecological pyramid would obtained with the following data ? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (1) Inverted pyramid of biomass (2) Pyramid of energy (3) Upright pyramid of numbers (4) Upright pyramid of biomass

Description : What type of ecological pyramid would obtained with the following data ? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (1) Inverted pyramid of biomass (2) Pyramid of energy (3) Upright pyramid of numbers (4) Upright pyramid of biomass

Last Answer : (1) Inverted pyramid of biomass

Do you think that pandemic restrictions have left us estranged us from the environment, or made us appreciate nature more deeply?

Description : Do you think that pandemic restrictions have left us estranged us from the environment, or made us appreciate nature more deeply?

Last Answer : Weed the garden already!

Winter pile-ups; to idle or not to idle my old diesel?

Description : Winter pile-ups; to idle or not to idle my old diesel?

Last Answer : I rarely find that turning the ignition off altogether is worth it. Seems like about the time I do that, traffic moves a car length ahead, and I hate starting and stopping the car. Putting it in park ... the car idles smoother, I stay warm with radio, and I don't worry about burning the starter up.

Do some people make themselves a slave to trying to reduce their Carbon Footprint?

Description : Do some people make themselves a slave to trying to reduce their Carbon Footprint?

Last Answer : answer:Some people do. But that is their choice. I try to cut down on electricity since what I previously thought was untrue. Turns out 30% of our electricity comes from coal. I thought it was pretty ... has three kids and I will turn off the light-bulb if that means they can breathe cleaner air.

[SFW] How do we limit births to avoid disaster due to resource depletion, pollution and destruction of nature?

Description : [SFW] How do we limit births to avoid disaster due to resource depletion, pollution and destruction of nature?

Last Answer : answer:@ETpro: How do we limit births when medical science progresses to the point where, barring accidents or murders, humans begin to approach living forever? So, the problem is modern medical science? Should ... a result of a project (medicine) we're still investing in. I don't have an answer.

Does the natural world around us sound healthy to you?

Description : Does the natural world around us sound healthy to you?

Last Answer : I think this guy's blog post says pretty much what I'd be saying if I couldn't make it a handy link. In short, each generation seems to accept as normal the state of the world at the ... decline. And even more so, for the people being born now who will accept the present state as baseline normal.

How do they clean industrial waste spills from water sources?

Description : How do they clean industrial waste spills from water sources?

Last Answer : As far as I can tell it's difficult and expensive and often not completely done. They'll do things like dredge up contaminated soil from the bottom of the river and dump that is a hazardous ... impact of digging up the bottom of the river can be arguably worse than letting the contamination lie.

What is your opinion of wind farms as a green energy source?

Description : What is your opinion of wind farms as a green energy source?

Last Answer : answer:While there are greener' sources of energy, I don't think there's such a thing as green' energy. The Second Law of Thermodynamics guarantees that any energy used to provide work will produce ... reduced population. I think far afield of your original question but it was fun doing so! ;)

What affect would a 1 year, 5 year, 10 year moratorium on human procreation have on the planet?

Description : What affect would a 1 year, 5 year, 10 year moratorium on human procreation have on the planet?

Last Answer : If people actually complied, I think the biggest problem would be a lack of income earners 20 years down the track to pay taxes when the older generations start retiring. Considering the average life ... to make people work until they are somewhat older, or have a larger population of young people.

Who is the author who calls “W²٣” (i.e. WWIII) “the war on poverty”?

Description : Who is the author who calls “W²٣” (i.e. WWIII) “the war on poverty”?

Last Answer : Is this it?

What do you think to introducing Lions to the plains of the western United States in order to control the wild horse population?

Description : What do you think to introducing Lions to the plains of the western United States in order to control the wild horse population?

Last Answer : The problem is that the lions will probably eat more than just the wild horses. Quite a few things will spontaneously find themselves no longer at the top of the food chain.

Do we need to risk a Gulf type disaster on the West Coast just for cheaper gas?

Description : Do we need to risk a Gulf type disaster on the West Coast just for cheaper gas?

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Shouldn't taxis turn off their engines when stopped?

Description : Shouldn't taxis turn off their engines when stopped?

Last Answer : With all the electronic equipment in modern taxis, if they want to keep the meter and gps running, they pretty much have to leave the engine running to avoid draining the batteries.

Earth Day is this weekend. What suggestions do you have?

Description : Earth Day is this weekend. What suggestions do you have?

Last Answer : I was thinking today that perhaps this year, instead of doing something good for the environment, (like planting a tree) I should make a list of the bad or energy wasting things that I ... stop doing the harmful things. Hopefully it can help me be aware EVERYday instead of once a year =)

Are my examples of obligate and facultative mutualism right?

Description : Are my examples of obligate and facultative mutualism right?

Last Answer : a good one as well?

What are some examples of migratory animals ?

Description : What are some examples of migratory animals ?

Last Answer : Examples of migratory animals are: southern right whales from Antarctica, that procreate in the Brazilian coast; migratory salmons that are born in the river, go to the sea and return to ... that spend the winter in tropical regions; etc. Population Ecology - Image Diversity: migratory animals

What are the main factors that affect the growth of a population ?

Description : What are the main factors that affect the growth of a population ?

Last Answer : The main factors that make populations grow are births and immigration. The main factors that make populations decrease are deaths and emigration.

How different are the concepts of migration ?

Description : How different are the concepts of migration ?

Last Answer : emigration, and immigration Migration is the moving of individuals of a species from one place to other. Emigration is the migration seen as exit of individuals from one region (to other where ... individuals coming from other region. Therefore, individuals emigrate "from" and immigrate "to".