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Practical earthworms questions
Ecological systems theory
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There are many types of ecosystems”Some are them are immense biomes and other can be minor ecosystems like a puddle or a tree trunk”, but wouldn't it be amazing too have a ecosystem the size of a pop bottle. Luckily this is not a hallucination Ecosystems like these are called ecocolumn which are basically a simulation of a medium ecosystem synce it contains a small aquarium on the bottom and a terrarium in the top. By doing these we are going to be able to see the relationships between the consumers, producers and decomposers, In these case the decomposer can be the earthworm the consumers can be the fish and the producers can be the plants these organism are characterized in these category because of their symbiotic relationship. In a Ecocolumn …show more content…
One of the most Important roles in the ecocolumn is the decomposers the decomposers are organisms like the earthworm which an organism usually invertebrates that decomposes organic material(1). These organisms are important since without them there would be lots of corpse lying around, fungi is another example of a decomposer.
Producers are one, if not the most important role in a ecosystem since they are in charge of producing biomass from inorganic compounds(1). Some unicellular organisms like bacteria can be producers but most producers are plants which feeds some organisms and start the life cycle. Most of the producers start the cycle by performing photosynthesis. Lastly, consumers are animals which lack of ability to generate their own food, therefore they rely on other organisms to live (1). Consumers in the majority are in the top of the food chain examples of them are lions, tigers, and sharks. This animals are predators, animals who hunt other animals for food. Predation in some cases can be considered parasitism since sometimes the death rate is higher than the birth rate. When resources are scarce competition is present in the ecosystem and competition between the same specie happens when resource are extremely limited
Purpose: The purpose of this lab is to investigate the various components of different ecosystems in a smaller representation and study the conditions required for the ecosystem’s sustainability as well as the connections between
Figure 2 shows that the Panda is yet again a Primary Consumer or the Food Chain. Like the other Figures (diagrams), the tiger is the main apex predator of the food chain. In addition, the maggots are also included because they are scavengers who break down dead plants and animals. An arrow from the Decomposer attached with the Producer show that the plants would get essential nutrients from the maggots, otherwise dead matter and waste would pile up.
The sessile consumers are those that are stationary and all feed off small plankton creating competition for their food source which allows some sessile consumers to be more dominant than others. Mussels are the most dominant between the sessile consumer with the Starfish as its predator, followed by Goose Neck Barnacles whose predators are Whelk and Starfish, and Acorn Barnacles whose predators is Whelk. The mobile consumers consist of Whelk(Nucella), Chiton(Katharina), and Starfish(pisaster). The mobile consumers, which are the the species that have a possibility to be the Keystone species are predators and compete for food. The Starfish preys on Mussels and Goose Neck Particles, the Whelk generally prey on Acorn Barnacles and Goose Neck Barnacles, and the Chiton prey on Nori Seaweed, Black Pine, and occasionally Coral Weed. Between the Mobile Consumers the only competition for food is between the Whelk and Starfish who both prey on Goose Neck Barnacles. Lastly, there is the invasive species known as the Green Crab (Carcinus) which has invaded the environment. The Green crab invades the area and is a predator to all
Since energy is a necessary part of how an organism survives, how it obtains it’s energy is crucial. When you look at an ecosystem, and all the organisms living within that ecosystem, you can link many of the species together by their dependence on each other. Scientists will look at these links to see how they depend on each other, or in other words, where their main source of energy and nutrition is. Once that step is determined, scientists will assign that group of species to a trophic level; to either the primary producers, primary consumers, secondary consumers, or the tertiary consumers.
Just one look outside and you will see all kinds of ecosystems. For example the oak tree is a ecosystem to all kinds of amazing creatures in the world. It is home to birds and bugs that live in it’s bark and its branches, and to the squirrels who make their nests in the trunks. It also provides food for other animals to. When an acorn falls off the branch deer and mice eat them too fatten up for the winter. The squirrel keeps them in it’s mouth. Another ecosystem is the ocean. One big part of that ecosystem is the coral reef. It is home to many plants and animals. For example sea plants move back and forth in the current, and fish and other sea animals come to hide in it just incase an animal harms or hurts it. Cool fact is that one quarter of all the fish in the sea live in that ecosystem. The coral reef also attracts other animals like birds, whales, turtles and seals. There are many different kinds of ecosystems small or big they are still a really big part of
There are many different species of organisms in the world. Some species, such as dominant species, are one example of having a large impact. They are species that are the most abundant in an area or have the most biomass, however, there are no definite reasons as to why they become the dominating species. Some debate that these species excel at competing for resources while others argue that they excel in avoiding predation. Yet, there are other species who provide a very large impact on its environment, often creating opportunities for other species to flourish; they are called keystone species and will be the main topic being discussed.
Namely in ecology predators are those animals that survive by quarrying on other animals or plants for food. Many predators hunt and eventually kill their prey for example owls are predators and they prey on mice. Predatory animals may hunt in groups like wolves or may be a lone hunter like leopards. Preys are the organisms hunted by predators.
Biosphere 2 is a supersealed “greenhouse” enclosing an area of 3.15 acres. Exit and entry is through a double airlock. It consists of several different ecosystems within the “greenhouse.” It houses a tropical rainforest, savannah, scrub forest, desert, fresh- and salt-water marshes and a miniocean that even contains a coral reef. This biosphere is inhabited by over 4000 species in all.
Eco-Columns provide a first-hand glimpse of how an ecosystem works through each level. While also allowing an impression into how each organism contributes to the overall health of the ecosystem being simulated in an eco-column. In the eco-column both a closed system and an open system were represented by, the terrestrial column being an open system and the filter chamber being a closed system. Closing off potential contamination of nutrients getting past and biogeochemical cycles being affected. When first building the terrestrial chamber we thought the terrestrial chamber would thrive because of how large our containers really were allowing for more soil to be allotted to the system.
Microbial decomposition releases nutrients into the environment that are needed by other organisms. Microbes are also involved in the cycling of many other important compounds in — and between — ecosystems, including oxygen, carbon and nitrogen. Many microbes use the energy of sunlight to convert carbon dioxide to oxygen, which we need to breathe. As they do this, they create new organic material — themselves — which are then eaten by other organisms. In this way, the cycling of nutrients and energy
This pictures demonstration the level of food chain in the ecosystem. The bottom level is the producer and the higher level will be the predator.
They inhabit a territorial ecosystem, but as for sub-ecosystems it possesses many since birds and insects can be found anywhere. Birds provide a major help to every terrestrial ecosystem because they help prevent plagues. Insects are able to reproduce in massive numbers, and without a predator they could affect the environment. Which can be devastating for surrounding organisms, and animal's that inhabit the same area. The third example of predation at play is the hares and lynx.
...d female reproductive organs. An egg becomes fertilized when they rub clitellum. Earthworms play an important part in the environment. They break down organic matter and dig tunnels under the soil that help increase water and oxygen flow.
Connections: • Strand 6.4: Stability and Change in Ecosystems The study of ecosystems includes the interaction of organisms with each other and with the physical environment. Consistent interactions occur within and between species in various ecosystems as organisms obtain resources, change the environment, and are affected by the environment. This influences the flow of energy through an ecosystem,
The branch of science that deals with how living things, including humans, are related to their surroundings is called ecology . The Earth supports some 5 million species of plants, animals, and microorganisms. These interact and influence their surroundings, forming a vast network of interrelated environmental systems called ecosystems. The arctic tundra is an ecosystem and so is a Brazilian rain forest. The islands of Hawaii are a relatively isolated ecosystem. If left undisturbed, natural environmental systems tend to achieve balance or stability among the various species of plants and animals. Complex ecosystems are able to compensate for changes caused by weather or intrusions from migrating animals and are therefore usually said to be more stable than simple ecosystems. A field of corn has only one dominant species, the corn plant, and is a very simple ecosystem. It is easily destroyed by drought, insects, disease, or overuse. A forest may remain relatively unchanged by weather that would destroy a nearby field of corn, because the forest is characterized by greater diversity of plants and animals. Its complexity gives it stability.