Answer:
D. Transduction
Explanation:
This is the stage where the binding of signal molecule triggers the receptor protein of the target cell initiating this process.
The answer is: the discovery resulted in some theories about the origin of flight.
Microraptor was a four-winged dinosaur, that lived about 120 million years ago. It is suggested that it was able to fly using all for limbs. It also had feathers, which suppose the connection between birds and dinosaurs. But, its feathers are used for gliding and not for flying. This suggests that flight evolved in the trees and not on the land.
Answer:
I thinks it's because since the water washed away all the land, the fish that was living in the water would be washed on land, and all the land animals might be either washed away along with the wave, or drowned due to not knowing how to swim or can't get out of the water in time when submerged underwater, causing almost all creatures living there to die out!
My best guess is allergies