Advertisements
Advertisements
प्रश्न
According to scientists, aves have evolved from :
(a) mammals
(b) amphibians
(c) reptiles
(d) arthropods
उत्तर
According to scientists, aves have evolved from reptiles.
APPEARS IN
संबंधित प्रश्न
According to de-Vries what is saltation?
Give the respective scientific terms used for studying the development of new type of organisms from the existing ones.
Explain the terms 'analogous organs' and 'homologous organs' with examples.
State the meaning of inherited traits and acquired traits. Which of the two is not passes on the next generation? Explain with the help of an example.
Give one example each of characters that are inherited and the ones that are acquired in humans. Mention the difference between the inherited and the acquired characters.
Complete the statement by choosing correct options from below .
Evolution means -- -- -- --.
Multiple choice question.
Gene frequency in a population remain constant due to –
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
The idea of mutation was brought forth by:
Variations during mutations of meiotic recombinations are ______.
