Below is a list of various bird groups, with their typical age at maturity (in years). Which of these would you expect to have the greatest annual survival?

#Question id: 3442

#XL - T Zoology

You discover a rare new bird species, but you are unable to observe its mating behavior. You see that the male is large and ornamental compared with the female. On this basis, you can probably conclude that the species is

#Question id: 12157

#XL - R Botany

#Question id: 5597

#XL - T Zoology

Mammalian sperm will migrate against the direction of the flow—using CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the current, this process is known as:

#Question id: 5431

#XL - T Zoology

Plant having height 6 cm are allowed to cross with plant having height 2 cm , all F1 progeny having height uniform 4 cm were allowed selfing to produced F2 progeny in which 3 plant out of  8 having height  4 cm . what are number of polygene involve in that trait ?

#Question id: 3796

#XL - Q Biochemistry

Incorrect pairing of bases during bacterial DNA replication occurs about once every 10^5 to 10^6 nucleotides, but the spontaneous mutation rate is only one error in 10^9 base pairs. What accounts for the difference?