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

Theca - body form protozoans, Theca - body form Protozoans It is a clo...

Theca - body form Protozoans It is a close-fitting hard structure around the plasma membrane, mainly composed of cellulose. It can be compared with the ceil wall of a plant ce

Oncogene, Oncogene is the gene in a tumor virus or in the cancerous cells ...

Oncogene is the gene in a tumor virus or in the cancerous cells which, when transferred into the other cells, can cause the transformation (note which only certain cells are susce

Calculate the volume of a 25% urethane, Assume that the blood volume of a r...

Assume that the blood volume of a rabbit is 0.5 liters. If the effective dose of the anesthetic urethane is 10 µgrams/ml of blood, calculate the volume of a 25% urethane solution t

Valuation of biodiversity, Q. Show the Valuation of Biodiversity? Serio...

Q. Show the Valuation of Biodiversity? Serious research in this field has only been recently initiated and the methodologies for valuation are still evolving. Important valuat

Describe how the various molecular mechanisms act, 1. Using specific exampl...

1. Using specific examples describe how variations in DNA sequence between individuals can lead to risk of disease. Describe how a range of techniques have been adapted to detect s

Homeostasis, HOMEOS T ASI S - Homeo = same, Stasis = state Li...

HOMEOS T ASI S - Homeo = same, Stasis = state Living beings maintain their internal environment by self regulating system, it is called homeostasis. Term coined by

Percussion - criteria for endosteal implants, Percussion - criteria for end...

Percussion - criteria for endosteal implants? It is neither an indicator of clinical health nor of rigid fixation. Ringing sound that occurs on percussion corresponds to the pr

Define dietary factors with antinutritional effects, Define Dietary Factors...

Define Dietary Factors with Antinutritional Effects? In the above sections, we have learnt about a variety of food components having a host of health promotive properties. Let

Explain phylum myxornycetes, Phylum Myxornycetes 1) They are known as c...

Phylum Myxornycetes 1) They are known as cellular slime moulds mostly grow in damp places e.g. soil and rotting tree trunks. 2) They have a curious life-cycle in which free

Explain the metabolic alterations during cancer, Explain the Metabolic Alte...

Explain the Metabolic Alterations during Cancer? As we have studied earlier, patients with advanced cancer experience profound anorexia, early satiety, changes in the structure

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages