Fecundations in osteichthyes and chondrichthyes
How fecundations are different in osteichthyes and in chondrichthyes?
Expert
In chondrichthyes, fecundation is internal through the means of copulation. In osteichthyes, normally fecundation is external and gametes are released within the water, where they may fecundate their counterpart and forms the zygote.
Which kind of cell came first in the evolution of prokaryotic or eukaryotic cell?
Write down some main differences of vertebrate nervous systems comparing to invertebrates?
Invoice Matching is nothing special though matching invoices with respect to the PO (purchase orders). Purchase orders have three types of matching options: A. Two way matching B. Three way matching.
How does the nervous system acquire information regarding the external atmosphere, the tissues and organs?
Write down the main human diseases caused by the fungi?
Give a brief explanation of the antigen and antibody interaction.
Why do certain supplements cost more than others that look like they have similar ingredients?
Do protozoans contain sexual or asexual reproduction?
Give a brief explanation of attenuation.
Write about the circulatory system of the mammals?
18,76,764
1929612 Asked
3,689
Active Tutors
1457502
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!