Do echinoderms present external or internal fecundation, Biology

Assignment Help:

Q. Do echinoderms present external or internal fecundation? Is there sex division among individuals?

The fecundation in echinoderms is external, gametes are liberated in water where fecundation occurs.

The majority of echinoderms are dioecious with female and male individuals.

Related Discussions:- Do echinoderms present external or internal fecundation

Phylum, general charactristics of phylum protozoa

general charactristics of phylum protozoa

Heterotrophic plants, information on some heterotrophic plants

information on some heterotrophic plants

Non-succulent perennials, Non-succulent perennials These are actually t...

Non-succulent perennials These are actually the true xerophytes or drought resistants, because they possess a number of morphological, anatomical and physiological characterist

Fowl cholera, F o wl cholera Fowl cholera, a highly contagious diseas...

F o wl cholera Fowl cholera, a highly contagious disease of poultry caused by Pasteurella multocida, was one of the first infectious diseases to be recognized by Louis Past

What are the functions of insulin and glucagon, What are the functions of i...

What are the functions of insulin and glucagon for the blood glucose control? Glucagon enhances glycemia and insulin reduces it. They are antagonistic pancreatic hormones. Gluc

What is hemoglobin s, Question 1 What is megalobastic anemia? Discuss brie...

Question 1 What is megalobastic anemia? Discuss briefly its lab diagnosis. How would you differentiate megaloblastic anemia from other anemias? Question 2 What is hemog

Concepts of migration - emigration and immigration, Q. How different are th...

Q. How different are the concepts of migration, emigration and immigration? The Migration is the moving of individuals of a species from one place to another. The Emigration is

Nuclease, Nuclease is an enzyme which degrades the nucleic acids. A nuclea...

Nuclease is an enzyme which degrades the nucleic acids. A nuclease can be DNA-specific (a DNase), RNA-specific (RNase) or non-specific. It might act only on single stranded nuclei

Explain the toxicity of folate, Explain the Toxicity of Folate? There ...

Explain the Toxicity of Folate? There is no evidence to suggest that it is possible to consume sufficient natural folate to pose a risk of toxicity. However, this clearly does

Ion channel-linked receptors, Ion channel-linked receptors will transmitter...

Ion channel-linked receptors will transmitter-gated ion channels or ionotrophic receptors that are included in the rapid synaptic signaling among electrically excitable cells. No

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages