The hermaphroditic characteristics of the spotted hyena are completely opposite to those of humans, so is the social system of the spotted hyena also opposite?
It is proposed that birds originated from dinosaurs, and that "ancestor birds" are a transitional species between birds and dinosaurs.
Scientists have applied genetic analysis tools to study insectivorous plants. The study depicted the dynamics of calcium molecules in the leaves of carnivorous plants when insect prey landed on the leaves and were captured by sticky secretions.
