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Why is important for egg and sperm cells to join in fertilization?
In sexual reproduction, an organism get half of it's genes from it mother and half from the father. Without the genes from both the egg and sperm, the genome of the new organism would be incomplete.
What is essential for the survival of the species and the organism does not need?
The ability to breed successfully. An organism can have a full and happy life without reproducing, but if a species does not do so, it will die out immediately.
What is the purpose of a spore?
Its the reproductive part of a fungi or a pteridophyta, fern. Might also be the reproductive part of other primitive plants, perhaps hornworts, liverworts, or horsetails also produce spores, I'm not sure, but I know for a fact that ferns do it, as well as all fungi. A spore is like a very small seed, produced in much greater quantity, without the resilliency that seeds have (no seed coat or extra nutrients for the growing organism).
Cells produce ATP most efficiently in the presence of what molecule?
Oxygen. Cells can produce much more ATP from glucose in the presence of Oxygen (aerobic respiration) than without oxygen (anaerobic respiration) in a process called oxidative phosphorylation that occurs in the mitochondria of cells. In the presence of oxygen one glucose can be broken down to produce 36 ATP Without oxygen, only 4 ATP can be made
What are two types of eukaryotic asexual reproduction?
(1) Budding: Used by animals such as hydra, a bud grows from the side of the body, and can sometimes grow to a size that can exist independently if separated. (2) Parthenogensis: Aphids use this to produce young without fertilization during prime conditions
What is a reproductive cell that can produce a new organism without fertilization?
A Spore
What is pollination and fertilization?
Pollination is the transfer of pollen from the male reproductive organ of a plant to the female reproductive organ, enabling fertilization. Fertilization occurs when a sperm cell from the pollen combines with an egg cell in the ovule, leading to the formation of seeds.
Is external fertilization sexual or asexual?
Well, there is fertilization in sexual reproduction, but there is not fertilization in asexual because the female reproductive system needs help with the male reproductive system through sex. Without sex, it is asexual. Females need the males sperm in order to fertilize the baby or plant.
How does pollen help a seed plant reproduce without water?
Pollen is the male reproductive structure of seed plants. It contains the sperm cells necessary for fertilization. When pollen is transferred from the male reproductive structure to the female reproductive structure (such as by wind or pollinators), it can reach the ovule without the need for water, allowing for fertilization and seed formation to occur.
What are some common reproductive strategies exhibited by sex invertebrates?
Common reproductive strategies exhibited by many invertebrates include external fertilization, internal fertilization, hermaphroditism, and asexual reproduction. External fertilization involves releasing eggs and sperm into the environment to meet and fertilize. Internal fertilization occurs when sperm is transferred directly to the female's body. Hermaphroditism is when an individual has both male and female reproductive organs. Asexual reproduction involves producing offspring without the need for fertilization.
Is a gumamela monoeciuos or dioecious?
The gumamela, or hibiscus, is typically classified as a monoecious plant. This means that it has both male and female reproductive structures within the same flower, allowing it to produce pollen and seeds without the need for another plant for fertilization. This self-fertilizing capability enhances its reproductive efficiency.
What is an apomict?
An apomict is any apomitic plant or organism - that is, any plant or organism which goes through reproduction without going through the process of fertilization.
Can fertilization take place without pollination?
No, fertilization in plants typically occurs after pollination. Pollination is the transfer of pollen from the male reproductive organ to the female reproductive organ of the same or a different plant, leading to the eventual fertilization of the ovule. Therefore, pollination is a necessary step for fertilization to occur in most plants.
What is the difference between a sori sporangium and a spore?
A sori is a cluster of sporangia that produce spores in ferns and other plants. A sporangium is a structure that produces spores through meiosis. Spores are reproductive cells that can develop into new organisms without the need for fertilization.
What form of asexual reproduction is shown here lizard?
It can be parthanogenesis.Female gamete is turned into new organism without fertilization.
How does the organism Daphnia reproduce?
They reproduce asexually using parthenogenesis, which is when the female makes eggs (cell in female reproductive system) but it does not require fertilization (joining of sperm & egg). The offspring becomes identical to the parent.
Is the female reproductive cell able to reproduce without a male reproductive cell?
No , it is not possible to produce a baby's cell ( zygote ) without a male reproductive cell ( sperm ) to fertilise it .But a female's reproductive cell ( egg ) can be produced without a sperm .It is possible to transfer a sperm into the ovum of a female through a surgery .
