Excretory organs in different animals, Biology

Assignment Help:

EXCRETORY ORGANS

  1. In protozoa through plasmalemma by diffusion. Contractile vacuole present for osmoregulation (absent in parasitic and marine protozoa).
  2. In porifera and coelenterata excretion takes place through body wall.
  3. In platyhelmenthes flame cells or protonephridia or solenocytes present.
  4. In aschelminthes coelomoducts present. In annelida nephredia are present.
  5. In arthropoda malpighian tubules, green glands or antennary glands, coxal gland present.
  6. In mollusca, coxal gland, renal gland, organ of bazonus, kebber's gland, metanepredia are present.
  7. In echinoderm by water vescular system, or ambulacral system.
  8. In protochordata by single glomerulus or proboscis gland.
  9. In urochordata by supra renel gland or pyloric gland or nephrocyte.
  10. In cephalo chordata by brown funnel or solenocyte or flame cells or Hetschek's nephridia.
  11. In bdellostoma, myxine, fishes by pronephric kidney. In amphibia by mesonephric kidney.
  12. In reptile to mammalia by metanephric kidney.

Related Discussions:- Excretory organs in different animals

Define about the radiant energy - carcinogenic, Define about the Radiant En...

Define about the Radiant Energy? Radiant Energy: Radiant energy whether in the form of the ultraviolet rays of sunlight or as ionizing electromagnetic and particulate radiation

Cell cycle, Provide a link to the graph, describe the variables, and interp...

Provide a link to the graph, describe the variables, and interpret the meaning of the graph

What is an erlenmeyer flask and how is it used, What is an Erlenmeyer flask...

What is an Erlenmeyer flask and how is it used? It is same to a beaker, except that it gets narrower at the top. It is use to hold liquids and do reactions in it.

What volume of 19 m formic acid need in experiment, You are interested in u...

You are interested in using formic acid (pKa = 3.75) as a buffer for your biochemical Experiment. a) Would it be most useful for creating a buffered solution at pH 2, 4 or 6? Ex

Pluricellular organisms are formed by serial mitosis, Q. From the zygote, p...

Q. From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its ant

Interior of the left atrium - heart, The left atrium is a thin walled cavit...

The left atrium is a thin walled cavity. Most of the wall is smooth. Musculi pectinati are present only in the auricle of the atrium. The interatrial septum separates the cavity of

Determine the steps in surgical therapy, Determine the steps in surgical th...

Determine the steps in surgical therapy a) The first step in surgical therapy is to reflect the tissue and degranulate the defect. b) It is followed by exposing and treating

Types of asexual reproduction, TYPES OF ASEXUAL REPRODUCTION ...

TYPES OF ASEXUAL REPRODUCTION 1 . Binar y fission - Amoeba 2. Multipl e fission -

What is the law of limiting factors, What is the law of limiting factors? H...

What is the law of limiting factors? How would the rate of photosynthesis be affected if the soil water becomes limiting? Describe.

Biology in ancient india, BIOLOGY IN ANCIENT INDIA - L A T E STONE ...

BIOLOGY IN ANCIENT INDIA - L A T E STONE AGE [10,000 - 20, 000 B.C) Man first cultivated wheat, barley, lentils & peas. In India rice was first cultivated at Meherga

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