The correct answer is: B. In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring.
The main difference between sexual and asexual reproduction is that in sexual reproduction genetic material from two parents is combined, while in asexual reproduction produced offspring is genetically identical to the one parent. So, advantage of sexual reproduction is that produced unique organisms contribute to genetic diversity (variation is formed). But, comparing to asexual reproduction, sexual reproduction requires more energy and lasts longer.
Asexual reproduction is found in lower organisms and can be in different forms: budding, vegetative reproduction, fragmentation, spore formation.
Answer:
According to Darwin's theory of evolution, new species evolved as a result of natural selection.
Explanation:
- Darwin proposed that speciation could readily occur through the prolonged action of Natural selection.
- Natural selection allows the 'survival of the fittest' i.e. a more fit organism will have a better chance of survival than the less fit one.
- The result of Natural selection could be positive,negative or balancing.
- Evolutionary process in which the genetic changes confer a higher fitness to increase frequency of the organism over time in population is called positive selection.
- Evolutionary process in which genetic changes decreases the organism's fitness resulting in its disappearance from the population is called Negative selection.
- It may happen that a mutation benefits hetero-zygotes but not homo-zygotes and alleles maintain a intermediate frequency in population.This evolutionary process is called balancing selection.
Answer:
<em>True</em>
Explanation:
El- Haiwan is an important Arabic book which has been translated to many different languages. The book's title refers to the meaning of animals in the English language. This book is very important in explaining many biological phenomenons taking place in different animals. This book also explains about reproduction which occurs in animals. Corpus Aristotelicum is known to be the writer of this book. Hence, the above statement is true.
Domain is the highest ranking of organisms in taxonomy.
The correct option is b.
<h3>What do you mean by domain?</h3>
Domain is the highest ranking of the biological system.
In the system there are three domains
This is the highest classification, after this further classification of living organism is done.
Thus, the correct option is B
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