Do echinoderms exist in external or internal fecundation
Do echinoderms exist in external or internal fecundation? Is there sex division between individuals?
Expert
The fecundation in echinoderms is external; gametes are discharged in water where fecundation takes place. The majority of echinoderms are dioecious with female and male individuals.
How is the big size of some cephalopods associated to the kind of circulatory system they present?
What amount of time is required for a telemarketing campaign?
Specify the approximate pH of salivary secretion? Whether it is an acid or basic fluid? List the main functions of the saliva?
Explain why doesn't food enter the trachea in place of going into the oesophagus?
1) Latent conflict (stage 1): when two or more parties need each other to achieve desired objectives, there is potential for conflict. Other antecedents of conflict are interdependence, different goals, and ambiguity of responsibility. They do not automati
Write down the main functions of spleen? Why is a total splenectomy (or surgical removal of the spleen) compatible with life?
How can be binding of two amino acids for the peptide formation is explained?
What is the significance of water for an enzymatic activity?
Explain the main substances transmitted from the mother to the fetus via the placenta and from the fetus to mother?
Give a brief explanation of the term “chiasms” of homologous chromosomes?
18,76,764
1934563 Asked
3,689
Active Tutors
1445492
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!