The End Result Of Aqutic Succession Is Which Of The Following A The Body Of Water Becomes

How does an aquatic ecosystem sustain itself?

I think that you meant something about oceanic ecology that is a little bit different than terrestrial. Those are so called “layers” of water depths, the zones of the open ocean. It starts with the sunlight zone. This zone is from 0 to 20m underwater. This is the only place where photosynthesis can happen. All deeper zones have no sunlight in them. This little part of the ocean provides food for all lower parts. But it's not self- sustaining. It also needs sunlight and oxygen.Here’s how oceanic ecosystem works. Phytoplankton that produces most of the food for all organisms in oceans has to take sunlight, just like plants. The “leftovers” fall deeper and reach those animals that live in zone without sunlight. These animals die and rot and that way they produce food for even lower, abyssal zones. All carcasses end up down there where they're broken down by decomposers, detritophages. The nutrients they produced are carried by water current and they're brought back to the surface where they fertilize phytoplankton. This is basically the same as land ecosystems, but those misty zones we know so little about may cause confusion.On the other hand, very very deep (4000–6000m underwater) exist odd ecosystems that do not depend on sunlight. These are so called chimneys. These are openings in Earth's crust that warm up water and enrich it with minerals and than blow it out. Water exiting has up to 300°C! These places are rich in life because the warm surroundings are a great place for anaerobic bacteria to make nutrients. These ecosystems need no sunlight, thus they sustain themselves as long as underwater chimneys do their work. These waters are rich in sulphates, silicone and anhydrates. Water around them is home to many odd creatures such as giant worms, transparent crabs and colourless corals. Here are some images.However, even though these things are completely independent of phytoplankton, they need their bacteria to produce food for them. Thus they are independent, but not self-sustaining ecosystems.

What is the difference between lentic and lotic ecosystem?

Lotic water systems are bodies of water that is flowing continuously, ranging from torrential rapids to slow moving back waters. These systems of water tend to be much shallower than their counterparts, causing temperature to become a major abiotic factor for life in these systems. Water found in these sytems will freeze much quicker, and thaw much faster than the deep waters of lentic systems. Lotic ecosystems depend on precipitation, snow melt, and springs to keep the water flowing, in times of drought these shallow systems will dry up and many organisms will die.Lentic water systems consist of still bodies of water, such as lakes, ponds, and seas. During periods of drought these systems will often last longer than their smaller counterparts and organisms can continue to live despite the shortened supplies. These bodies, often deep with multiple zones experience many things that lotic water systems do not. Lentic water systems are made up of multiple zones, littoral, limnetic , vertical, and benthic. The epilimnion, or surface water, is the area in which the most life can be found. This zone is high in oxygen content during the summers, the warmer waters that receive the most sunlight will hold the most oxygen, thus allowing the greatest amount of life to flourish here.  The metalimnion, or middle mass of water is where the temperature of the water begins to decrease, life is not as plentiful as in the surface waters but there are still many organisms that can be found here. Often times this is where thethermocline will begin, a thermocline is a point at which the water temperature decreases approximately one degree Celsius per meter.  The hypolimnion is the warmest zone during the winter time and the coldest during the summer. It is the bottom most part of the body, where sometimes light does not reach. This zone is where the least amount of life will be found throughout most of the year.  Overturns occur when water is stratified in bodies, the water from the bottom of the mass is mixed with the water close to the surface. This occurs during spring and fall.Lotic Systems vs. Lentic Systems

At what point does a pond become a lake?

Flora required Photosynthesis process to prolong.Now,A pond is a body of water shallow enough to foster rooted plants. That is sunlight can penetrate up to the depth of pond.Whereas, A lake is too deep to not allow sunlight to penetrate up to the depth. hence does not support rooted plants except near shore.Now, statistically there might be an accurate date to predict it meticulously,but coming to the question there are various possibilities according to me.A. Suppose you keep pond as it is, then due to conglomeration of waste(Degradable or nondegradable) or soil dumping, the overall depth of pond might decrease so eventually Pond will become more like Pond rather than Lake.B. There is a chance to lake becoming Pond as explained earlier.C. Suppose soil is taken from the pond for some purpose(To use it somewhere or to increase the storage volume) or because of erosion of soil beneath, the depth of pond will increase. So in the long run there is a chance that Pond will become Lake!I hope I could answer your question!

How do biotic and abiotic factors interact in an ecosystem?

There are many ways in which biotic and abiotic factors interact in an ecosystem. For my answer I think I’ll focus on the interaction between chemicals and plants as well as animals and minerals.First off I’m assuming you know the definitions of “biotic” and “abiotic”, but just in case I’ll define them anyways. Abiotic factors are anything in an ecosystem that isn’t and never was alive. Things like water and rocks. Biotic factors are the things in an ecosystem that are or were living, like plants and animals.I think one of the most intricate relationship between biotic and abiotic factors is between the chemicals and plants within an ecosystem. Plants, being producers, need to make food from seemingly nothing. They do this by gathering and synthesizing different chemicals available to them in the soil and the air.Photosynthesis, how plants make food, is done by taking CO2 from the air and water (H2O) from the soil and making it into sugars that the plant can use for its metabolic processes. This chemical reaction is powered by light energy from sunlight.And right there is a way that biotic factors (plants) interact with abiotic factors (CO2, H2O, sunlight) to create the basis of all food on the planet.Plants aren’t the only organism to make use of the abiotic factors in the environment though, animals do as well.An animal needs to get nutrients from other living things so that it can live and they rely on plants or other animals to do so. However one essential nutrient that is scarce in living things is salt.Salt is a mineral found in deposits in rocks and is essential for nuerological function in animals. Some animals, for example deer, find areas where these salt deposits are abundant (salt licks) and lick the salt off the rocks to supplement their diet.