Number of germ layers which originate platyhelminthes
What is number of germ layers which originate in the body of platyhelminthes? In relation to this characteristic how are such animals categorized?
Expert
Platyhelminthes are the primary triploblastic animals (keep in mind that cnidarians are diploblastic), that is, they present three germ layers: mesoderm, ectoderm and endoderm.
Briefly define the term reflex arc?
Describe the structures which form the external ear? Also state its function? Answer: The internal ear includes the pinna, or auricle and the auditory canal. Its mai
Describe the major ecological roles of bacteria?
Which digestive enzyme acts within the stomach? What kind of food it can digest? Which cells produces that particular enzyme?
Define the term Operational Forecasting and what are the forecasting methods?
Write down the parasite which causes giardiasis? How it transmitted and also writes down the typical manifestations of disease?
Streptococcus pneumoniae exist in 84 known antigenic types. Each type differs from the others in the structure of its polysaccharide capsule known as serotypes. Therefore, from the point of view of the adaptive immune system, each and every serotype o
Explain, how cell division process is directly related to embryonic growth?
Specify the plant tissues which constitute the functional structures of the leaf veins?
Why are vaccines made of own disease agent or of the fragments of it?
18,76,764
1924942 Asked
3,689
Active Tutors
1435369
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!