Cockroach
Chapter Name : Structural Organization In Animals |
Sub Topic Code : 103_11_07_04_05 |
Topic Name : Cockroach |
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Sub Topic Name : Reproductive System-Male |
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Introduction
Cockroaches are dioecious and both sexes have well developed reproductive organs.
Pre-Requisites:
To understand the male reproductive system of a cockroach.
Activity:
Videos which show how male reproductive system functions.
Real Life Question:
Do male cockroaches show the presence of ducts?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| testes | pair of testes lying one on each lateral side in the 4th -6th abdominal segments. From each testis arises a thin vas deferens, which opens into ejaculatory duct through seminal vesicle. |
| Ejaculatory duct | opens into male gonopore situated ventral to anus |
| accessory gland | characteristic mushroom shaped gland is present in the 6th-7th abdominal segments which functions as an accessory reproductive gland. |
| Sperms | stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. |
Learning aids / Gadgets
| Gadgets | How it can be used |
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Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
The different parts involved in cockroach male reproductive system.