Fossils of dinosaurs have revealed the evolution of reptiles in Jurassic period. As a result of this, evolution of other animals such as birds and mammals has also been discovered. However, two unusual fossils recently unearthed in China have ignited a controversy over the evolution of birds.Confuciusornis is one such genus of primitive birds that were crow sized and lived during the Creataceous period in China.
Why is the Human Genome project called a mega project?
Secondary producers are
(a) Herbivores
(b) Producers
(c) Carnivores
(d) None of the above
What is menstrual cycle? Which hormones regulate menstrual cycle?
Thanks for help