Answer:
Anther
Explanation:
Stamen is a male reproductive part in which anther produce male reproductive cells.
Answer:
Option (D)
Explanation:
Dinosaurs are the extinct species that were very well structured and developed and were enormous. They existed on earth during the Mesozoic era, which includes the Triassic, Jurassic and Cretaceous period and the rocks of this age are found to comprise of their fossils at different places on earth. They were extinct about 65 million years back i.e. by the end of the Cretaceous.
They were Archosaurs, which belongs to the group of diapsid amniotes and are mainly classified as reptiles. They also had some property of endothermy, where an organism can maintain their body temperature by carrying out the processes related to metabolism. So, they were able to control their body temperature.
Thus, the correct answer is option (D)- all of these.
Answer:
d. Genetic Drift
Explanation:
Genetic drift, in Biology, is the change of the relative allele frequency of a population that occurs randomly over time. That is, the allele frequency of the original population becomes changed overtime.
Genetic drift can be said to be caused or favored by several factors, and this could include, small population size, population experiencing bottleneck effect or the founder effect, movement of a gene into a population.
The case of unusual high frequency of "blue skin" that occurred in the small group of people living in the remote area of Kentucky can be said to be an example of <em><u>genetic drift,</u></em> as this trait were originated from one couple who migrated as one of the settlers into the region.
C. <span>smooth endoplasmic reticulum I am positive that this is the correct answer. </span>
