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What is the name of the larva of corals and sea anemones? What is the biological importance of that larval stage?
In metagenesis of Obelia and Aurelia what is the form which generates gametes? What is the form which reproduces asexually?
Who developed a rigorous theory for Brownian motion?
Define the term metagenesis? State the other names of this procedure?
Name the type of asexual reproduction which takes place in hydras? Answer: Hydras reproduce asexually through budding.
Name the types of reproduction represented by cnidarians? Answer: They consist of asexual and sexual reproduction.
Explain the work and model proposed by Richardson.
Describe how the nervous tissue is distributed in cnidarians? Answer: Their nervous system is diffuse; there is no brain or ganglia.
Define the term cnidocytes? What is the name of capsule in the cnidocyte? Also explain the biological functions of this structure?
Who firstly use the finite-difference method?
What is the kind of digestion which takes place in cnidarians?
Why the digestive system of such animals is termed incomplete? Answer: Incomplete digestive system is the system in which the digestive cavity has just one opening.
Name the germ layers existed in cnidarians? In which tissues of animal do they originate?
Regarding tissue complexity how distinct are the cnidarians from poriferans?
What are the two major morphological patterns of cnidarians? Regarding locomotion how do such forms distinguish from each other?
What are various illustrations of cnidarians? In which environments can such animals be found?
How are sponges exemplify according to illustration of representing beings, fundamental morphology, kind of symmetry, embryonic (or germ) layers and coelom, respiratory system, digestive system, excre
Who had find Monte Carlo and finite differences of the binomial model?
Elucidate the economic significance of sponges?
Write the evolutionary advantage of the occurrence of sperm cells and larval phase in the life cycle of sponges?
Is reproduction in sponges asexual or sexual?
Do sponges contain circulatory, nervous and excretory systems? Answer: Sponges do not contain a nervous system neither circulatory nor excretory system.
Who proposed a scientific foundation for Brownian motion?
How are gases exchanged in sponges?
Explain normal distribution model proposed by Louis Bachelier.