Cnidocyte is a unique and define in features of Cnidarians. It is a combine sensory effector cell. Structure of cnidocyte, Types of cnidocyte is explained.
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A tornaria larva is the planktonic larva of some species of Hemichordata. They appear in the lower or middle cambrian and include two main classes: Enteropneusta (acron worms), and Pterobranchia. Acron worms are solitary worm-shaped organism.
Termites are diploid eusocial insects belonging to the order ‘Isoptera’. They thus satisfy the three conditions of eusociality. There is cooperation in looking after the young. Reproductive castes cared for by non-reproductive. There is an overlap of at least two-generations contributing to colony labour. On the basis of reproduction, termites have two castes.
The technology which produces good quality organic manure by the use of suitable earthworm species from the waste material. It has 3 important components Vermiculture, Vermicomposting, Vermiconservation.
This is for particularly for students who are looking for Biofertilizer notes for study. Biofertilizer is a substance which contains living microorganisms. Different types of biofertilizers like Rhizobium, Phosphate solubilizing microorganisms(PSM), Silicate solubilizing bacteria and Rhizobium are used as an example. It also contains its use on soil fertility and on agriculture.
In Teradata Coalesce function returns NULL if all its arguments evaluate to null. Otherwise, it returns the value of the first non-null argument in the scalar_expression list.
In Teradata using case statement, you can specify an alternative value for a conditional expression based on the equality comparison that evaluates to true. Basically you represent some data based on different conditions.
Teradata sum returns a column value that is the arithmetic sum of value_expression.
To get sum over partition by Teradata you can use the aggregate function SUM and PARTITION BY on a required column.
Teradata skew function returns the skewness of the distribution of value_expression.