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3 years ago

What is the difference between a food chain and food web

2 answers:

fomenos3 years ago

5 0

A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. ... Producers are the basic trophic level while top predators are the peak level.

ale4655 [162]3 years ago

3 0

Answer:

A food chain is a sequence of organisms through which nutrients and energy pass as one organism eats another. A food chain must start with energy from the sun, have a producer (an organism that makes food by itself with energy from sun), and have at least one consumer eat and gain nutrients from another consumer or a producer. At the end of the food chain, there must be a decomposer to break down the dead animals into nutrients, which is beneficial for soil. Additionally, there must be arrows to indicate the flow of energy travelling from one organism to another. An example of a food chain would be:

sun -> roses -> caterpillar -> crows -> garter snakes -> mushrooms

Energy source: Sun

Producer: Roses

Consumer: Caterpillar

Secondary consumer: Crows

Tertiary consumer: Garter snakes

Decomposer: Mushrooms

A food web is basically an interconnection of multiple food-chains in a graphical representation to see which animal eats what and their niche (role they play in an ecological community). Here's an example of a food web (not mine, credits to creator):

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What happens to animals born with a change in species numbers ?

hoa [83]

Answer:

If one animal's population increases, the population of animals that eat that animal might also increase. Increases in population aren't always beneficial.

Explanation:

Sometimes a population will grow too large for the environment to support. Other changes in limiting factors can cause a population to decrease.

source: NHPBS

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2 years ago

A) (1 pt) Based on the data in Figure 1, identify which of

Sladkaya [172]

Answer:

Friedreich ataxia is inherited in an autosomal recessive manner.

Explanation:

Autosomal recessive disorder is a type of disorder which occurs only when abnormal genes are present in both cells. Autosomal recessive is a method through which disease is passed from parents to offspring. Friedreich's ataxia is a genetic disease that is very rare which causes difficultly in movement from one place to another, a loss of sensation in the arms and legs, and speech in the patients.

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4 years ago

If atp accumulates in a cell select one:

lisov135 [29]

C.) Feedback inhibition slows down cellular respiration (to conserve resources)

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3 years ago

A region with a variety of organisms like tiger, fish, rabbits, birds, insects, etc.,

IRISSAK [1]

Answer:

Species diversity is the right answer.

Explanation:

It is stated that the region is full of different organisms. An organism is defined as an individual animal, plant, or single-celled life form. All this variety of a region makes an ecosystem so having multiple ecosystems in a specific region is out of hand.

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4 years ago

Enzymes have shapes that allow them to bind to a substrate. Some types of RNA also form specific three-dimensional shapes. Why d

victus00 [196]

Answer:

RNA is formed by a single strand of nucleotides and not a double helix like DNA; RNA, as a protein, but not as DNA, can catalyze important biological reactions. The RNA molecules that function as enzyme proteins are called ribozymes.

Explanation:

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3 years ago