The website has the complete lesson note for all the subjects in secondary school but this piece showcases the SS1 Biology Lesson Note on Reproduction in Invertebrates. You can use the website search button to filter out the subject of interest to you.
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TOPIC: REPRODUCTION IN INVERTEBRATES
CONTENT:
INTRODUCTION:
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:
EVALUATION
REPRODUCTION IN HOUSEFLY
Housefly reproduces sexually, fertilisation is internal and it undergo Complete Metamorphosis Mating occur between adult male and female housefly. Sperms mature before the eggs thus sperms are stored in sperm sacs until eggs are matured for fertilization.
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