What is choanocytes, Biology

Assignment Help:

Which one of the following statements about all the four of Spongilla, Leech, Dolphin and Penguin is correct?

1. Penguin is homiothermic while the remaining three are poikilothermic

2. Leech is a fresh water form while all others are marine

3. Spongilla has special collared cells called choanocytes, not found in the remaining three

4. All are bilaterally symmetrical

Spongilla has special collared cells called choanocytes, not found in the remaining three

 


Related Discussions:- What is choanocytes

Health benefits of dietary factors - antinutritional effect, Define Health ...

Define Health Benefits of Other Dietary Factors with Antinutritional Effects? Despite the predominantly nutritional antagonistic effects of the factors described above, there i

The fragility of erythrocytes, The fragility of erythrocytes The fragil...

The fragility of erythrocytes The fragility of erythrocytes is impaired in the absence of NADPH generation due to the deficiency of glucose-6-phosphate dehydrogenase thereby ca

Selection of coal, Better coal should have following characteristics (1)...

Better coal should have following characteristics (1)   It should have high calorific value. (2)   It should have low moisture content. (3)   It should have low ash  conte

Reproduction, site of fertilistion in human

site of fertilistion in human

Form of protozoan reproduction, Q. Which is the form of protozoan reproduct...

Q. Which is the form of protozoan reproduction that generates more variability? Sexual reproduction always generates extra genetic variability than asexual reproduction. That i

Define etiological risk factors in cancer - genetic factors, Define etiolog...

Define etiological risk factors in cancer - Genetic Factors? Some cancers are programmed by genes to develop. Gene mutations result from one or more regulatory genes in the cel

Discovery of insulin, Q. Discovery of insulin? The discovery of insulin...

Q. Discovery of insulin? The discovery of insulin has dramatically changed the lives of people having type 1 diabetes. With this wonder drug diabetics can lead a normal, enjoya

Define urinary excretion test - thiamin status, Define Urinary Excretion Te...

Define Urinary Excretion Test - Thiamin Status? The urinary excretion of thiamin is an index of recent dietary intake of the vitamin. Hence, determination of thiamin in urine s

Briefly describe about caramelization, Briefly describe about Caramelizatio...

Briefly describe about Caramelization? Caramelization results from the action of heat on sugars at about 175º C. At high temperatures, sugars dehydrate, break down and polymeri

Explain cartilaginous and the osseous tissue, Which type of tissue are the ...

Which type of tissue are the cartilaginous and the osseous tissue? The cartilaginous and the osseous tissues are considered connective tissues as they are tissues in which the

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