Can you help me with this:
Q.1. Name the type of asexual reproduction observed inHydra.
Q.2.Whatis a hermaphrodite animal? Give one example.
Q.3. List any two advantages and disadvantages of cloning.
Q.4. Describe two environmental conditions that is necessary for successful external fertilization in frogs.
Q.5. Differentiate between the reproductive pattern in a hen and human being.
Q.6.Althoughmost mammals give birth to young ones, there are some that lay eggs. What are they known as? Give examples of such mammals.
Q.7. Describe the method of asexual reproduction in animals.
HOTS:
1.An organism does not die if it cannot reproduce. Then why is reproduction considered to be an important life process? Give two reasons.2.Fish and frogs lay hundreds of eggs at a time, whereas a hen lays only one egg at a time. Explain the mechanism behind it.
Answers
2)that has both - male and female reproductive organs. worms and snails.
3)ad - cell formation is sure.
fasr reproduction.
disad- characters cqnt be changed.
quality decrease.
4)suitable temperature and prescenece of moisture.
5)idk
6)oviparous animals...example ....hen , snake.
7)it can happen in various ways......▪it requires only a single parent.▪it is fast than sexual reproduction.▪it occurs by spore formation.....budding....cell division. it is called apomixis ....and no mixing of genetic chqracteristics take place.
H1) it is so because reproduction only produces same kind of its own and helps in existence......
H2)it just depend upon the species qnd the formation of their hereditary characters
Answer:
1) Budding
2) An animal or plant having both male and female reproductive tissue or organs is called as hermaphrodite animal. A plant with both stamens and pistils is an example of a hermaphrodite. An organism, such as an earthworm or flowering plant, having both male and female reproductive organs in a single individual.
3) Advantages:- (1) It helps infertile couples to bear children
(2) It has great contribution to organ replacement
Disadvantages:- (1) It is expected to bring about new diseases
(2) It might lead to problems in organ rejection
4) External fertilization typically occurs in water or a moist area to facilitate the movement of sperm to the egg. The release of eggs and sperm into the water is known as spawning. In motile species, spawning females often travel to a suitable location to release their eggs.
5) Hen is an oviparous that is they lay egg, as for humans they are viviparous as they give birth to young ones.
6) They are known as Oviparous. Examples are hen, duck etc.
7) Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals.
HOTS:-
1) An organism does not die if it cannot reproduce but reproduction is considered to be an important life process because the process of reproduction ensures that a plant or animal species does not disappear from Earth. This process is very important in maintaining stability in the ecosystem and for the continuation of life on earth. Therefore making it an important process in all living beings.
2) fishes and frogs lay hundreds of eggs at a time, whereas a hen lays only one egg at a time because fishes and frog lays egg in water where other aquatic animals eats so they lay hundreds of eggs at a time. and one more reason is their fertilization takes place outside.
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