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Slight or no Metamorphosis
In primitive wingless insects (Apterygota) such as spring tails, silver fish etc. and in secondarily apterous insects the young ones which hatch from the egg are essentially identical to imago, differing from it only in size, immature reproductive organs and external genitalia. It moults several times leading to a gradual raise in size accompanied by the appearance of the external genitalia and maturation of sex-organs. In apterygotes, growth and moulting are seen to carry on even after reproductive maturity. Such development or life cycle is called ametabolous.
Egg -> Young goes through several stadia and moults -> Imago (Adult)
Figure: Ametabolous type of development in Lepisma
Mechanisms for Response – Protozoan Protozoa are sensitive to many kinds of stimuli like touch, temperature changes, light, chemicals, etc. It is not clear how they do so but
Your final assignment is to write an (~2000 words) on any drug that is currently approved by the FDA, describing how the drug works based on the mechanisms of human biology describ
Frequency - Synthetic Characters This term refers to the degree of dispersion of individual species in an area, and is usually expressed in terms of percentage. Frequency can
define stds give 5 examples of stds give signs, symptoms, treatment and prevention of each example
H Y ALURONI C ACID It is formed by alternating unit of D-glucuronic acid and N-acetylglucosamine. Hyaluronic acid acts as animal cement between adjacent animal cells
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Q. Which is the kind of muscle tissue that performs the peristaltic movements of the intestines? The smooth muscle tissue is responsible for the peristaltic movements of the in
OTHE R GLANDS - (i) Mammary glands - Study of mammary gland is mastology. Modified sweat gland. 4-5 pairs in rabbit. 1 pair in human. In opposum 25 pairs (max.).
Q. How respiratory pigments act? Respiratory pigments are oxygen-carrying molecules present in the blood. When the oxygen concentration is high for instance, in the pulmonary a
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