1. How many parents are needed to reproduce asexually?
2. Compare the reproduction of the following animals:
- sponge
- jellyfish
- insect
3. If an earthworm has both male and female sex organs, how does it reproduce?
2. Compare the reproduction of the following animals:
- sponge
- jellyfish
- insect
3. If an earthworm has both male and female sex organs, how does it reproduce?
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Answer:
1: Only one parent is required, unlike sexual reproduction which needs two parents. Since there is only one parent, there is no fusion of gametes and no mixing of genetic information. As a result, the offspring are genetically identical to the parent and to each other
2:
A. Sponge
Sponges are able to reproduce both sexually using gametes and asexually by budding. Even though sponges are hermaphroditic, individuals will only make one type of gamete at a time.
B. Jelly fish
Jellyfish reproduce both sexually and asexually. One generation (the medusa) reproduces sexually and the next generation (the polyp) reproduces asexually.
C. Insect
Most insects reproduce by sexual reproduction. The female produces eggs, which are fertilized by the male.
3: Earthworms are simultaneous hermaphrodites, meaning worms have both male and female reproductive organs. ... Each worm ejaculates sperm from its sex organs into this slime tube and it is then deposited in the other worm's sperm receptacle.
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