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Fertilization requires a large number of sperm to ensure that at least one sperm reaches and successfully penetrates the egg for fertilization to occur. Sperm face numerous obstacles in the female reproductive tract, such as acidic environment and physical barriers, so a large number of sperm increases the chance of successful fertilization. Additionally, competition among sperm ensures that only the healthiest and most viable sperm reaches the egg.
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Are mussels sexual or asexual?
Mussels are sexual reproducers, meaning they require fertilization by a sperm cell to produce offspring. They release eggs and sperm into the water, where fertilization occurs externally.
What type of fertilization requires A great excess of a sperm gametes because most are wasted?
Broadcast fertilization requires a great excess of egg and sperm gametes because most are wasted. Aquatic animals, such as starfish and sea urchin, mate in this manner.
What process union of egg and sperm restores chromosome number?
The union of an egg and sperm restores the chromosome number through the process of fertilization. During fertilization, the haploid egg and haploid sperm fuse to form a diploid zygote, which contains the full complement of chromosomes (46 in humans). This restores the normal chromosome number in the resulting offspring.
Do bryophytes need water for fertilization?
Yes, bryophytes, like mosses and liverworts, require water for fertilization. This is because they rely on water to transport sperm from the male gametophyte to the female gametophyte for fertilization to occur.
How many chromose will there be after fertilization?
After fertilization, the number of chromosomes will return to the normal diploid number for the species. This means that each human cell will typically have 46 chromosomes after fertilization - 23 from the egg and 23 from the sperm.
Are mussels sexual or asexual?
Mussels are sexual reproducers, meaning they require fertilization by a sperm cell to produce offspring. They release eggs and sperm into the water, where fertilization occurs externally.
What does fertilization not require in most seed plants?
Fertilization in most seed plants does not require swimming sperm, as they are transported within pollen grains and delivered directly to the plant ovule for fertilization to occur. This eliminates the need for water as a medium for fertilization, unlike in non-seed plants or aquatic plants where swimming sperm are necessary to reach the egg.
What type of fertilization requires A great excess of a sperm gametes because most are wasted?
Broadcast fertilization requires a great excess of egg and sperm gametes because most are wasted. Aquatic animals, such as starfish and sea urchin, mate in this manner.
Can sperm swim through clothing?
No, sperm cannot swim through clothing. They require direct contact with the vagina to reach an egg for fertilization.
Why does a sperm cell need large surface area?
A sperm cell needs a large surface area to maximize contact with the egg cell during fertilization. This allows for efficient transfer of genetic material and increases the chances of successful fertilization.
What process union of egg and sperm restores chromosome number?
The union of an egg and sperm restores the chromosome number through the process of fertilization. During fertilization, the haploid egg and haploid sperm fuse to form a diploid zygote, which contains the full complement of chromosomes (46 in humans). This restores the normal chromosome number in the resulting offspring.
A large concentration of mitochondria are present in which section of a sperm cell?
A large concentration of mitochondria are present in the tail section of the sperm. The mitochondria are the energy components, and the tail needs the energy for it's journey to fertilization.
Do bryophytes need water for fertilization?
Yes, bryophytes, like mosses and liverworts, require water for fertilization. This is because they rely on water to transport sperm from the male gametophyte to the female gametophyte for fertilization to occur.
Which one produces more offspring internal fertilization or external fertilization?
External fertilization typically produces more offspring compared to internal fertilization. This is because external fertilization often involves the release of a large number of eggs and sperm into the environment, increasing the chances of fertilization. In contrast, internal fertilization usually results in fewer offspring, as it involves the fertilization of eggs within the female's body and often includes parental care, which limits the number of offspring produced.
The joining of an egg and a sperm is called?
Fertilization
How is internal and external fertilization similar?
-produce a large number of sperm and egg cells -no parental care for developing embryos -The gametes are protected from a harsh enviroment -The gametes are protected from predators
Why are number of sperm produced by fish and humans fairly similar?
Fish and humans share a similar reproductive strategy, where they release large numbers of sperm to increase the chances of fertilization. Both fish and humans face similar challenges in terms of sperm dilution and competition, so producing a higher number of sperm increases the likelihood of successful fertilization.
