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Food Chains and Food Webs

A food chain is a indicator of the producers and consumers of different habitats. Ask questions about the food chains of different ecosystems here.

4,128 Questions

Why are chemists who specialize in packaging food important?

Chemists who specialize in packaging food are important because they help ensure the safety and quality of food products. They design packaging materials that can protect food from contamination, extend its shelf life, and maintain its freshness. Their expertise is essential in preventing food waste, protecting consumer health, and meeting regulatory requirements.

What is a hydrothermal vent?

A hydrothermal vent is a fissure in the seafloor that releases geothermally heated water. These vents are found in areas of tectonic activity, such as mid-ocean ridges, and support unique ecosystems that thrive in the extreme conditions created by the hot, mineral-rich water.

What is the greatest threat to food safety?

There isn't really one major dominating threat to food safety but several. One of them is contamination, also one of the most publicized threats to food safety, simply when a food source comes in contact with another contaminated object that disease will spread; this is most commonly seen with the bacteria E. coli. Another is the use of pesticides and insecticides in agriculture. The widespread use of these chemicals is leading to the evolution of drug resistant insects and bacteria that could potentially wipe out crops leading to famine. Also genetic engineering is also a threat to the safety of our food; food allergies that were unseen can pose a major health issue, also the mixing of GMOs (genetically modified organisms) not deemed safe for human consumption with the rest of our food. In the mid-2000's a GMO corn product that was deemed unsafe for humans but safe for cattle was inadvertently entered into our food supplies and products. This mixing cause major allergic reactions and an FDA study at the time showed it to be in 70% of all corn containing products. Several years after the incident the GMO corn was still found in food products by the FDA, pointing a major problem preventing the combination of unsafe GMOs and the removal and isolation of those GMOs after they have entered into our foods.

How do you do a SCIENCE folio?

To create a science folio, you can start by selecting a topic or experiment to investigate. Gather relevant information, data, and visual aids to support your findings. Organize your folio with sections such as introduction, methodology, results, discussion, and conclusion to present your work in a clear and structured manner. Make sure to follow any specific guidelines provided by your teacher or institution.

How many links does a nine speed mtb chain have?

A nine-speed MTB chain typically has 116 links. This length is standardized to ensure compatibility with nine-speed drivetrains. It's important to use the correct length chain for optimal performance and shifting.

What is the food chain of the hawaiian volcano plant?

The Hawaiian volcano plant, or silversword, is not part of a food chain but rather a unique plant species found in the volcanic highlands of Hawai'i. It plays a role in its ecosystem by providing habitat for other plants and animals, but it does not have a specific food chain associated with it.

What is a bufflehead's importance to the ecosystem?

Buffleheads play a role in controlling aquatic insect populations as well as serving as prey for larger predators such as eagles and peregrine falcons. Additionally, they contribute to nutrient cycling in aquatic ecosystems through their foraging and waste deposition.

What is the ultimate fate of energy flowing through a biological community?

the sun through photosynthesis

Nope. The ultimate fate of energy flowing through a biological system is that it will be lost. This is due to conversion to non-recyclable forms, specifically heat. Below is the cyclical flow of energy in a system but at every step a large amount of energy is lost through metabolic activity.

Sun(energy entering the system) > Primary producers > Herbivores > Carnivores > Primary producers > Herbivores > Carnivores etc.

Absorption and accumulation of toxic chemicals up the food chain is a definition of what word?

Bioaccumulation is a process by which chemical substances are ingested and retained by organisms, either from the environment directly or through consumption of food containing the chemicals. Biomagnification is a cumulative increase in the concentration of a persistent substance in successively higher levels of the food chain. Bioconcentration refers to the cumulative effects of bioaccumulation and biomagnification.

When organisms become larger as they move up the food pyramid why does the biomass become smaller and why does the energy decrease?

As organisms move up the food pyramid, energy is lost through processes like respiration, movement, and waste production. This results in less energy being available for growth and reproduction, leading to a decrease in biomass as the organisms become larger. Additionally, only a fraction of the energy obtained from consuming food is converted into new biomass, with the rest being lost as heat energy.

In condensation is energy gained or lost?

Condensation is exothermic. Energy is released during condensation. Energy can not be "lost" but merely change from one form to another.

What would have caused all five of your pet mice to die suddenly?

It is unlikely that all of your mice die suddenly of old age. There must have been disease/virus/bacteria etc that caused the death of the mice. One mouse probably caught it and introduced it to the others. If you had just recently gotten a new mouse and introduced it to the others without quarantine, it could have had an infectious disease that ended up killing all the mice. This illustrates the importance of quarantine when you buy a new mouse. If they had been eating the same food then it may also have been something they had eaten - they could have eaten something poisenous.

Where does algae come from?

Click on the link to your right for algae info, if the question is about algae in the pool read below: Algae are tiny microscopic plants that enter your pool by rain, wind and fill water. If allowed to grow unchecked, your water will quickly become unusable. One ounce of water can contain millions of algae cells before they are visible. They can clog filters and reduce water circulation and the effectiveness of pool chemicals. The main types of pool algae are: Green Algae: The most common type of algae. It

How might an omnivore be a link to both the beginning of a food web and the end?

== == Since it is a "WEB" there is no beginning or end as you say. However there are interesting things to behold if you look at the food web from the perspective of energy flow and how different types of organisms "link or knot" together in the flow of energy through the web. Lets look at it from the perspective of the omnivore: We can entirely identify with Homo sapiens, or man. Man as an omnivore may eat plants or algae (sea weed, spirulina) which use the energy from the sun to fix carbon into energy molecules like sugar. Plants as primary producers of biologically available energy could be considered to be the "beginning" of the web. Have a salad and you have tied yourself (an omnivore hopefully) to this part of the web. This is the Herbivore in us. Being omnivorous humans can eat insects (which many cultures do) or cows, which both feed on plants and can be considered the next link in the flow of energy. We could continue eating our way through the food energy web to link to the "end" when we feast on shark or bear (also an omnivore) or lion or crocodile or any animal that eats other animals. This is the carnivore and predator in us. However this "end" may not be the end as our feces (poop) is further fed upon by bacteria or fungi (decomposer) extracting the very last amounts of bio-available energy from the biomass and returning some minerals and other nutrients to the soil, which the plants then use. This could also be considered the "beginning" of the web. The food web is a complex system that has no beginning or end and has many loops, twists, knots and folds with no edges. Picture a ball net like the ones soccer balls are kept in, but empty and folded and wadded into a pile. You can think of omnivores as the cross links between various places on the web connecting a myriad of organisms. The term food chain is antiquated and its use indicates ignorance of the complexity of life. The answer seems pretty obvious if you have adequately expressed your question. An omnivore basically eats everything. Therefore its link to the beginning would be when it eats something lower than itself on the food chain. Its link to the end would be if it were eaten by another creature. Once the predator ate and digested it, your omnivore would become fertilizer which would nourish the plants that other creatures at the lower end of the food chain feed on - maybe another omnivore. And if predators didn't pick your omnivore's carcass clean, the remaining soft tissue would rot and decay...ending up as fertilizer. I know your question used the term 'food web' and in my answer I used 'food chain' but I think you should be able to figure out how my answer translates to fit your question. It works pretty much the same way.

What does it mean to establish a territory?

Establishing a territory refers to marking, defining, or claiming a specific area as one's own, often for the purpose of control, protection, or exclusive use. It involves setting boundaries, defending the area from intruders, and maintaining some degree of control over who enters or uses the territory.

Are human natural predators?

No, not like wolves, tigers, and lions are. We do not have the big claws or long canines that would make us natural predators. However, we are not natural herbivores either because we lack a large cecum and/or multi-chambered stomach, our eyes face forward allowing us to have binocular vision, and in a survival situation, hunt animals and kill to live. Since we are naturally omnivorous creatures, that would make us natural hunters, even if it means having to make and use tools to kill animals to eat.

What happens to the predator population when the prey populations decreases?

The predator population may also decrease due to a decrease in available food source, leading to increased competition among predators. This could result in some predators migrating to find new prey or population decline due to lack of resources. Ultimately, the predator population may be negatively impacted by a decrease in the prey population.

Are ecosystems everywhere that living things are found?

Yes, ecosystems exist wherever living things are present. An ecosystem is a community of organisms interacting with each other and their physical environment. These interactions can occur in a wide range of places, including forests, oceans, deserts, and even urban areas.

What is the food chain of a cave?

Rather limited.

Algae, fungi or bacterial films browsed on by invertebrates that in turn are food for other invertebrates or cave fish and salamanders. When they die their bodies are food for saprophilic bacteria, fungi and invertebrates.

Cave divers have reported a small, predatory, worm-like creature living in the sumps of Cheddar Caves (Somerset, SW England); and presumably other caves. It crawls around on the passage wall, leaving a sticky mucous trail that traps other little creatures.

Roosting animls such as bats and cave-swifts feed outside.

There is a Far Eastern species of snake that lives in caves and feeds on the bats.

What is the food chain in the rain forest?

In a rainforest, the food chain typically starts with producers like plants and trees, which are then consumed by herbivores like insects, birds, and mammals. These herbivores are in turn consumed by carnivores such as snakes, big cats, and birds of prey. Decomposers like fungi and bacteria break down dead plants and animals, returning nutrients to the soil for new plant growth.

What is an organism that eats only plants?

An organism that eats only plants is called an herbivore. Herbivores obtain their energy and nutrients by consuming plant material such as leaves, fruits, and seeds. Examples of herbivores include cows, rabbits, and deer.

What is a food chain for temperate forest?

The direct food chain starts with the plants converting minerals, moisture, and CO2 into plant growth, and this directly supports various animals and insects.

The plants also indirectly provide a symbiotic environment for mosses and ferns.

There is also an epiphytic environment created for algae, and lianes.

Upon the plant death, it provides food for various decay organisms such as fungi and bacteria.

The animal food chain process follows alongside the plants, and makes no great demands other than of food. But birds and animals do construct shelters from or among vegetation.

What is an example of a food chain in a Boreal forest?

In a Boreal forest, a food chain could involve plants like coniferous trees being eaten by herbivores like snowshoe hares, which are then preyed upon by predators such as owls or lynx. This chain demonstrates the flow of energy from producers to consumers in the ecosystem.