Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Types of Development of Animals
Different animals have evolved various methods of development. These methods can be broadly categorized into two categories
(i) Direct development
(ii) Indirect development.
Direct development
In a number of animals whose eggs have little or no yolk, such as the placental mammals, the embryos develop and grow in the womb of the mother from that they also obtain nourishment. Once, the offspring has developed to a stage in which it looks like a miniature adult, the mother gives birth to it. This young one acquires its adult size and sexual maturity after birth over a period of time via gradual growth. In animals whose eggs have a large amount of yolk such as those of the birds and reptiles, the eggs grow oviparously outside the mother's body. Young ones resembling the miniature adults hatch out. The young individual then attains adult size and sexual maturity by gradual growth over a length of time.
Indirect development
In many animals like frog Amphioxus, Herdmania, insects and several other invertebrates and vertebrates, the offspring which hatches out from the egg looks extremely different from the adult form, and is called a larva. The larva leads an independent presence for some time that varies from species to species, and then transforms into a miniature adult by the process of metamorphosis.
Lauric Fats Fats of this group are derived from certain species of palm, such as coconut. The fats are characterized by their high content of lauric acid (40 - 50%), moderate
Q. What are the target tissues and target organs of each adenohypophyseal hormone? GH- bones, muscles and cartilages, Prolactin- mammary glands, ACTH- the cortical portion of t
Implementation of Nursing Care Administration of Appropriate Drugs If the surgery is not necessary or if it is postponed for some time then diuretics and digoxin are
Regulation of pyruvate kinase, pyruvate carboxylase and PEP carboxykinase A) In liver, pyruvate kinase is inhibited by high levels of ATP and alanine so which glycolysis
What is the mode of nutrition in fish,human,amoeba,scorpian & toad ?
What is Bilateral Symmetry system? To review: all animals besides the sponges (Phylum Porifera) belong to the Eumetazoa. There are two groups within the Eumetazoa that possess
Q. Why is carbon dioxide concentration a limiting factor of the photosynthesis process? And When the carbon dioxide concentration is increased indefinitely is photosynthesis also i
In many tests it is acceptable to read a positive result before the incubation time is completed. why is this not the case with starch agar?
What does a two-direction arrow show in a chemical equation? The oxygen atoms share two pairs of electrons, as every atom needs two more electrons to fill the orbitals of its o
Which disease is associated with the following symptoms? Sudden onset of profuse watery stool followed by vomiting, rapid dehydration and muscular cramps?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd