<span>The answer is ---> Clostridium Botulinum</span>
Answer:
1.Sperm is a male reproductive material that form at the onset of puberty.
2. Sperms are produce in immense amount.
3. Sperms are motile.
Explanation:
1. Ovum is produced in females which is called egg.
2. Ovum is nonmotile.
3. They are produced in limited amount in a process called ovulation.
Some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:
<h3>What are specialized structures?</h3>
Specialized structures are those structures possessed by certain organisms that enable them adapt to their environment.
Fishes are known to adapt to aquatic environments whether marine or freshwater ecosystem.
Therefore, some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:
- Fins - for swimming and changing direction
- Swim bladder - for buoyancy in water
- Gills - for breathing
Learn more about specialized structures at: brainly.com/question/25039796
D. The pathogen had been weakened
It is either blending inheritance or merging inheritance. They both mix the parents' genes to produce conditions for their future offspring.