animal biology
compare the digestion in protozoa and sponges
After the blastula phase, Name the following phase of the embryonic development? Explain the passage from blastula to the subsequent stage known as?
How many kinds of defensive barriers are there in the innate immunity?
Which plant tissues cover stem and leaves?
From zygote, pluricellular organisms are formed by the serial mitosis. Would this formation be probable if each cell made by the mitosis had an identical life concerning its antecedent cells? How did evolution solve that difficulty?
How do cells get energy for their functioning?
Do sponges contain circulatory, nervous and excretory systems? Answer: Sponges do not contain a nervous system neither circulatory nor excretory system.
Explain extra-embryonic membranes?
Give the main morphological features of the arthropods? Answer: Arthropods give three distinguishing features: they are metameric beings (that is, segmented body), t
State the relation between thyroid and the hypophysis?
Devoid of the saturation of transport proteins and under the similar concentration gradient how the speeds of simple diffusion can be compared to the speed of the facilitated diffusion?
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