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Q Concerning germ layers and the presence of coelom how are arthropods characterized?
Arthropods are triploblastic and coelomate beings (they have three germ layers).
Q. Considering the presence of segmentation (metameres) in their body to which other already studied phylum are arthropods proximal?
Considering their metameric feature arthropods are proximal to annelids that as well have segmented bodies. In the embryonic development of some arthropods there are fusions of metameres forming structures like, for instance, the cephalothorax of arachnids.
GLANDS - 1 . LACRYMAL GLANDS - Tear glands numbers are 3. Its secretion is aquous & salty, keeps eye ball wet, give nourishment to cornea. Lysozyme also present
Causes of Cancer Scientists have identified the cellular genes that code for those proteins which jointly control and regulate cell growth and division. These genes are of two
What is light reaction? Light reactions are reactions, which are initiated by light (also photo-induced reactions). Usually, light energy is change into chemical energy.
using examples of invertebrate phyla illustrate how the increase in complexity is reflected by their nervous system?
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What are the main constituents of the earth's atmosphere in our time? The present atmosphere of the earth is constituted mostly of molecular nitrogen (N2) and molecular oxygen
Cortex can be described as follows 1) The outer part of the organ, such as, the adrenal cortex, which produces many steroidhormones; 2) in plants, the area of the stem or root
Evolution can be explained as follows 1) The change in the life over time by adaptation, over-reproduction, variation and differential survival/reproduction, a procedure refer
whats polymorphic
General process of post-hatching growth in insects While a young insect hatches out from an egg it is covered by a firm, inflexible, sclerotized cuticle, which because of its
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