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

Describes calcium metals, Which of the following terms best describes calci...

Which of the following terms best describes calcium metals? Check all that apply. Molecule, element, matter, and compound

Light stratification - lake ecosystem, Light Stratification - Lake Ecosyste...

Light Stratification - Lake Ecosystem The penetration of light in water bodies is limited depending on the transparency of water and its ability to absorb light. On the basis

Determine how many family full-time family doctors, 1.  In the town of Jasp...

1.  In the town of Jasper, CA, there is currently one full-time family doctor. If the town's population grows at a steady rate of 14% per year, how many family full-time family doc

Explain pericardial effusion, Q.Explain Pericardial Effusion? The confi...

Q.Explain Pericardial Effusion? The configuration of the heart in pericardial effusion depends on the volume of fluid and its distribution. It may have a globular or non-speci

Fats and lipids, Composed of C, H and O (fewer polar OH bonds than carbohyd...

Composed of C, H and O (fewer polar OH bonds than carbohydrates) Can be used at energy storage, components of cell membranes, chemical signals & thermal insulation Are

Excretion, What is the excretory organ of an agama lizard

What is the excretory organ of an agama lizard

Explain about picaridin, Picaridin Laboratory and field studies docume...

Picaridin Laboratory and field studies documenting the efficacy of picaridin. No published data are available on the efficacy of the 7% solution now available in the US. Insec

Side effects of sedatives and hypnotics, Side Effects of Sedatives and Hypn...

Side Effects of Sedatives and Hypnotics: Side effects are same  like anti anxiety drugs such as hypotension, palpitation, syncope (fainting), change in libido, physical or psy

Why are trees green, Why are trees green? It is because leaves have chl...

Why are trees green? It is because leaves have chloroplasts, which have a green pigment, which also have chlorophyll in them. They are used for conducting photosynthesis, which

What is oxidized starch and starch acetates, Oxidized starch Coating an...

Oxidized starch Coating and sealing  agent, emulsifier, dough conditioner for bread, binding agent as gum Arabic replacer, lemon curd manufacture, salad cream, mayonnaise.

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