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Svetllana [295]
3 years ago
5

What is the difference between a food chain and food web

Biology
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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Chapter 1: Introduction: Evolution and the Foundations of Biology 1. _______ DNA is composed of building blocks called _____. a.
irina [24]

Answer:

C. Nucleotides

Explanation:

Nucleic acids are macromolecules which are polymers of nucleotides. There are two types of nucleic acids namely: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Nucleotides are the building blocks of nucleic acids.

A nucleotide is made up of three components:

- A phosphate group

- A five carbon sugar called pentose sugar. In RNA the sugar is ribose sugar and in DNA the sugar is deoxyribose sugar.

- Nitrogenous bases: There are four different types of bases in DNA: adenine, guanine, cytosine and thymine. In RNA thymine is replaced by uracil. Adenine and guanine are purines whereas cytosine, thymine and uracil are pyrimidines.

Nitrogenous base and sugar together are called nucleoside and when phosphate is also attached then it is called nucleotide.

6 0
2 years ago
Mushroom fungus spore cell prokaryotic or eukaryotic
Agata [3.3K]
Fungi are eukaryotic organisms that comprise one of the kingdoms of life.<span> Most fungi are multicellular. As eukaryotic organisms, fungi possess cells with organelles, which are structures surrounded by membrane.

hope this helps

thus, mushroom fungus is eukaryotic!!!</span>
7 0
3 years ago
The time needed for a typical atom in an oceanic plate to complete a plate-tectonic cycle is ____________ years.
Ivan

The time required for a typical atom in the oceanic plate to complete the plate tectonic cycle is about in excess of two hundred fifty million years in which this is required for it to developed and to be fully complete for it to fully finish the plate tectonic cycle.

7 0
3 years ago
A sample of gold (AU) has a mass of 57.01 g.
Kamila [148]

A). Calculation: Given mass of Au * 1mol of Au/molar mass of Au= # of moles ;

57.01 g Au*1 mole of Au/196.97g Au=0.3 moles of Au.  So the answer is 0.3 moles of gold(Au). Good luck on the rest,  and message me on Brainly if you need more help. I'll be happy to.


6 0
3 years ago
Read 2 more answers
In your own words tell me what is a trait ​
Rzqust [24]
A characteristic one has. It could be appearance or personality
7 0
3 years ago
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