Archaeopteryx was a DINOSAUR.
Formerly, Archaeoptery was classified as an early bird, but it was later re-classified as a dinosaur because it shares more similarity with the dinosaurs. Scientists have not really reach a consensus about this classification.
Archaeoptery was re-classify as a dinosaur because it share many anatomical structure with coelurosaurs which are a group of carnivorous dinosaurs.
Find a place in your house to put various lights.
The exoskeleton does not keep the body from drying out
So D is not a function of the Exoskeleton
The statement that R-selected species have a short life span and
an early reproduction cycle is TRUE. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
I would say B. A hockey puck sliding across the table