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There are four main problems with the food web theory:

1. It is hard to place organisms into trophic levels.

2. It is hard to place organisms into different functional groups (Some organisms can alter their feeding mechanism depending on age or circumstance).

3. There is a tendency to ignore or leave out certain groups.

For example meiofauna (organisms smaller than 0.5mm) tend to be left out as they are too difficult to study. Migratory animals suc as birds may be left out of a food web as they are not present in the habitat at the time of the study.

4. There is imperfect knowledge of the links in the food web. The complex interdependencies between organisms makes it difficult to describe the full range of relationships. Therefore food webs are always somewhat incomplete

You can't draw a structural formula for methene because the prefix meth- means one carbon atom is present in the whole compound, and the suffix -ene means there is at least one double bond between only carbon atoms in the compound. If you added the other carbon atom necessary for the double bond it would change the name to ethene.

The structural formula of benzene is often represented as a hexagon with a circle inside to show delocalization of electrons, indicating that each carbon atom forms a double bond with every adjacent carbon atom in an alternating pattern.

The crest of a transverse wave corresponds to the compression region in a longitudinal wave. Both represent the highest point of displacement or disturbance in their respective wave types.

Transverse waves can be found in various natural phenomena, such as electromagnetic waves, light waves, and earthquake waves (S-waves). They are also commonly seen in everyday examples like ripples on water, string vibrations in musical instruments, and seismic waves during volcanic eruptions.

Nope... sanding a table top is a physical change

Wikipedia's inappropriate content is often referred to as vandalism. This involves adding false information, offensive language, or inappropriate images to pages. Wikipedia relies on users to help monitor and remove such content.

Yes, there are several software programs available for creating food webs, such as EcoWebBuilder, Cytoscape, and NetworkX. These programs allow users to visually represent and analyze the complex interactions between different species in an ecosystem.

The chemical equation for Heptane is C2H6..

Wrong Answer.

Hepta means 7. Therefore, Heptane has 7 carbon atoms. Since alkanes have the general formula of CnH2n+2, if n is 7, 2n + 2 is 16.

Therefore, Heptane has the formula of C7H16.

anti-climax. It is a literary device where the intensity of a scene is deflated instead of being heightened, resulting in an unexpected or underwhelming resolution.

The advantage is that it is one more way to avoid reality and fool yourself into thinking that you don't have to work and learn to communicate for understanding. The disadvantage is that there is no such thing.

This is old superstition merged with new age gobbledy-gook. (Although many people have tried to connect the third eye myth with the thymus gland, there is no indication that there is any relationship at all.)

7 years of CUA... :D Clowns University of America -----------------Lawlerskatez----------------- 7 years of CUA... :D Clowns University of America -----------------Lawlerskatez-----------------

The Garmin Nuvi 200 does not have a physical space bar key like a computer keyboard. Instead, you would typically use the on-screen keyboard to input spaces between words or characters. You can access the on-screen keyboard by tapping on the text entry field while entering information.

Yes, TomTom offers a service called TomTom MyDrive where you can track and manage your TomTom device through their website or mobile app. This allows you to easily update maps, plan routes, and see the location of your device.

We know that 1-hexene is a 6 carbon chain (hex=6). We also know that it is an alkene with a double bond between the 1st and 2nd Carbon. We also know that every carbon will make 4 bonds; either with another carbon or a hydrogen. Therefore: 6 Carbons
2+1+2+2+2+3= 12 Hydrogens C6H12

it was called Ralph and he was 0.000123mmcubed, but someone put him down and never seen again.

The structural formula of 2-methylbutanoic acid after oxidation would involve adding a carboxyl group (-COOH) at the end of the molecule where the -OH group was located in the original alcohol. So the resulting molecule would be 2-methylbutanoic acid with a carboxyl group at the terminal carbon.

"Good" depends on what you want to use the map for and how you want to use it.

There are digital maps, paper maps.

There are topographic maps, political maps... Search the Internet. at google(dot)com(backslash)images

See also the "Related links" below.

C738 H1166 N812 O203 S2 Fe

is the chemical formula for the majority of it. There are several different formulae for haemoglobin. The structural would probably take about a week to write out.

Five resources for survival would have to be the following.

Food: you need food to survive.

Water: You can't survive without water. Water is important otherwise you will get dehydrated.

Shelter: You need shelter from rain, and other storms, etc. It protects you.

Physical Resources: Physical resources would be your strength, so you can make things that you will need to hunt for food, etc. Clothing: clothing would be another resource for survival but not as important as the other four.

Right now, there are many new processors. Many of them are the 2nd generation.

Here are the list of 2nd generation processors from slowest to fastest

Intel Centrino

Intel Atom

Intel Xeon

Intel Pentium

Intel Core

Intel Core i3

Intel Core i5

Intel Core i5 Business edition

Intel Core i7

Intel Core i7 ExTreme Edition

Between 2000 and 2020, we have had numerous technological developments, such as more efficient emailing services (gmail, outlook), video chat services (Skype, Teamspeak), Multipurpose chat services (Discord), and the evolution of the phone itself.

It is quite impressive on it's own to think how far we have developed within the last 20 years!

The term is "Greenwich Mean Time."

Greenwich, England is the city through which the Prime Meridian runs -- that's the north-south imaginary line on the earth from which we count/measure westward or eastward to determine degrees of longitude.

GMT is the time in the time zone Greenwich is in. One often sees other time zones designated in relation to GMT, such as New York City is (I think) "GMT -5" -- we are five hours behind Greenwich time. So, since it's 6:30 p.m. here, it's 11:30 p.m. in Greenwich, England and its time zone.

You can get an idea of where a city is geographically by finding out its time zone in relation to GMT, such as, if you don't know where Santa Barbara, California is, you get some idea if you learn it's in zone GMT -8, U.S. Pacific Time.

I'm not sure, but I think the "w" is silent, making the pronunciation Gren'-ich (short e, as in men).

Yes, you can check the National Hurricane Center website for the most up-to-date information on Hurricane Gustav. They provide real-time updates and forecasts on the storm's location, strength, and potential impacts.

right click, go to properties, it should say change icon at the bottom or go to customize and it should say change icon, change it to what you want

you can also make your own too, watch this instructional video to help with that http://www.youtube.com/watch?v=ObZM0fheFCE (i'm sure you can use other versions too)