Endoskeleton of echinoderms-analogous structures
How can endoskeleton of echinoderms be typified in comparison to analogous structures present in the vertebrates, in arthropods and in molluscs?
Expert
The echinoderm skeleton is inner, that is, it is the endoskeleton. It is made of calcium carbonate (or calcareous). Vertebrates also have inner skeleton made of cartilages and bones. Arthropods have an outer carapace made of chitin, chitinous exoskeleton. Some molluscs present calcareous shell which works as an exoskeleton.
How poliomyelitises affect the neural transmission within the spinal cord?
What do you mean by the term corpus luteum? Briefly illustrate it.
Define the term direct development? Is there a larval phase in the planarias?
Give a brief explanation of the term “chiasms” of homologous chromosomes?
Give a brief explanation of community. And also write down differentiation between the concepts of community and population.
Explain the term Spearheading Transformation in Health care organization ?
In the context of an organization, broad features of a conflict are as under: i. Conflict occurs when individuals are not able to choose among the available alternative courses of action. ii. Conflict between two individuals implies that they have conflicting perceptions, va
Specify the first heart chamber in which the blood enters? Where does blood go after passing that particular chamber? What is the name of valve which separates the compartments? Why is that valve essential?
Illustrate the two main groups into which fishes are classified?
Subsidiary Functions (1) Communication: In business management ideas objectives instructions suggestions,
18,76,764
1931144 Asked
3,689
Active Tutors
1451878
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!