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REPRODUCTION IN INVERTEBRATES
CONTENT
- Meaning of Reproduction
- Reproduction in Cockroach
- Reproduction in Housefly
- Reproduction in Snail
Meaning of Reproduction
Reproduction is one of the activities that differentiate living organism from Non-living organisms. It is a process through which living organism replicate themselves to ensure continuity of life. Living organisms that fail to reproduce will come to extinct when all living member die.
Thus cockroaches, houseflies, snails and all invertebrates give rise to young ones after their kind. There are two types of reproduction-Asexual and sexual reproduction.
Reproduction in Cockroach
Reproduction in cockroach is sexual. The process occurs as follows:
- Male and female mate. Sperm cells from the male are stored in a pouch on the 7th abdominal segment of the female cockroach. This pouch is called Spermatheca.
- Fertilization occurs in pouch.
- Spermatheca (Sperm pouch) forms the egg case called Ootheca. Ootheca contains between 10-16 eggs.
- Ootheca is carried about by the female between its two hind legs for a number of days.
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ClassHall Instructor
Wilfred Bassey
Maryam
Zulaikha Momoh
Zainab Ahmadu