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!
Metazoa
In the two kingdom classification, the unicellular 'animals' used to be clubbed together under a single phylum Protozoa that constituted sub-kingdom - Protozoa. The rest of the animals, all multicellular, were grouped under the sub-kingdom Metazoa under various phyla (the corresponding grouping for plants was Protophyta and Metaphyta). However, under the present concept of Five Kingdom Classification, this grouping has no relevance. Still, we often continue to use the term Metazoa to refer to the Animalia of the five kingdom classification. In this we start with an explanation of the levels of body organization in animals and the basic animal body plan. However, diverse the different invertebrates and vertebrates may appear to the eye, it is possible to group them in four master body plans.
These are the unicellular plan, the cell aggregate plan, blind sac plan and tube within a tube plan. The protozoan fall into the first category and the rest three structural plans are seen in the metazoans. We next list out the characteristic features of metazoans. We shall also discuss those features that are considered of fundamental importance for describing and understanding the structure and classification of any animal. These characters are:
G e n e constructs Designing and cloning of the gene construct is the fundamental step in the generation of transgenic animals, essentially determining success or failure of
The fundamental contractile unit is the sarcomere. Each muscle cell apart from the nucleus, mitochondria and other structures contains parallel fibrils. Sarcomere is a subunit of t
Functions of cerebrum The forebrain is otherwise called as ‘cerebrum'. It is highest centre for controlling several functions in the body, The most interesting aspect
How can we control the disease Cholera Control: Individuals infected with cholera require oral rehydration therapy with NaCl plus sucrose, sodium bicarbonate and potassium ch
Chemiosmosis is the process by which the ATP is produced in inner membrane of a mitochondrion. It is the electron transport system transfers protons from the inner compartment to
What is the best microscope to get a detailed view of the parts inside of a preserved plant cell
Halophytes are plants that live in moist soils with high salt concentrations. Despite being surrounded my water, halophytes are often referred to as "salty desert" plants. Explain
Why can it be said that each glucose molecule runs the Krebs cycle twice? Every glucose molecule "cycles" the Krebs cycle twice because after glycolysis each used glucose has g
Action of Hormones We said earlier that hormones are released into the blood stream or extracellular fluid and therefore, reach most of the cells of the body. However, they
Q. Nutritional management of steatorrhoea? The Nutritional management of steatorrhoea should focus on the following: • Plenty of rest and relaxation and avoid stress •
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