Zoology Answers

Distinguish between inductive reasoning and deductive reasoning.

what is test tube blue babies

How is the concentration of product always kept within a certain range?

What is supposed to fall under the title Bionomics?

Suppose we are dealing with a vector, Anopheles sp. are the following going to be included in its bionomics:
1. Life cycle
2. Interaction with parasite (Plasmodium sp.)
3. Mode of transmission of parasite by this vector
4. Control
5. Diseases caused ?

Definitive hosts are hosts in which an organism attains sexual maturity usually followed by sexual reproduction(fertilisation). (from Parasitology: A Conceptual Approach
By Eric Loker, Bruce Hofkin)

Anophles is a definitive host of plasmodium in which the fertilisation is occuring. But I don't understand what is meant by sexual maturity? It would be great if you could explain the determination of definitive host depending on the sexual maturity of a parasite with example.

What is the differences between the terms Crossbreeding, Outbreeding and Outcrossing?
I will be kind if you could provide authentic citations (e.g. textbooks).

What is table-sized fish?
I stumbled upon this term in an Applied Zoology book. Does it mean a fully grown fish?

''In induced breeding of fish, the hormone extract is injected intramuscularly near the tail region above the lateral line of the fish.''

What is the reason behind the selection of this specific site?

What is the foetal part of Choriovitelline placenta (or Yolk-sac placenta) formed of?

It is formed of chorion and yolk sac? Why's the vitelline in the name?

Are morphogenetic movements restricted to gastrulation only or does it happen through out the embryonic development?