What are plankton and benthos, Biology

Assignment Help:

What are plankton, nekton and benthos?

Plankton, nekton and benthos are the three groups into which aquatic living beings may be separated.

The plankton is formed by the algae and small animals that float near the water surface carried by the stream. The nekton is composed of animals that actively swim and dive in water, as fishes, turtles, sharks, whales etc. The benthos comprises the animals ecologically linked to the bottom, containing many echinoderms, molluscs, benthonic fishes, crustaceans, poriferans and annelids.

 


Related Discussions:- What are plankton and benthos

What are the two big groups into which cells are classified, What are the t...

What are the two big groups into which cells are classified? Cells can be divided as eukaryotic or prokaryotic. Prokaryotic cell is the cell that without a delimited nucleus

Umbilical and inguinal hernia, Umbilical Hernia: An umbilical hernia  ...

Umbilical Hernia: An umbilical hernia  is protrusion of a portion of intestine  through  the umbilical ring (an opening in the muscular area of the abdomen where the umbilical

Indirect routes of disease transmission, Question 1: Define Survey. Lis...

Question 1: Define Survey. List out advantages of surveys. Brief up different survey methods Definition of survey. Advantages of surveys Different survey methods

Zoonoses disease-transmissible spongif orm encephalopathies, Transmissible ...

Transmissible spongif orm encephalopathies Transmissible spongiform encephalopathies (TSEs, also called Prion diseases) are fatal neurodegenerative diseases such as scrapie of

Names and uses of the various laboratory tools, What are the names and uses...

What are the names and uses of the various laboratory tools? Tools are beakers, microscopes, tweezers, hot plates, lasers, test tubes, voltmeters, Erlenmeyer flasks, thermomete

How does the inflammation mechanism work, Q. How does the inflammation mech...

Q. How does the inflammation mechanism work? When some tissue injury other vasoactive and occurs histamine substances (called mediators of inflammation) are released, they caus

Respective functions of phospholipids, What are the respective functions of...

What are the respective functions of phospholipids, proteins and carbohydrates of the cell membrane? Ans) Membrane phospholipids have structural function they produce the bilipi

Can the cooler have had any effect, Write down any other possible explanati...

Write down any other possible explanations you think of.could the cooler have had any effect? Could something in the water be reasonable? Could there be an object in the water that

What is increase in the second messenger, When glucagon binds its receptor ...

When glucagon binds its receptor there is an increase in the second messenger, cAMP. cAMP levels can be decrease by which of the following enzymes? -adenylate cyclase -PDK1

taxonomy and evolution, explain industrial melanism and genetic repatterni...

explain industrial melanism and genetic repatterning during isolation with example

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd