Answer:
D) a group of feathered, endothermic dinosaurs
Explanation:
Birds are a group of endothermic dinosaurs, characterized by feathers, epidermal structures that form plumage. Warm-blooded animal species (endothermic) maintain the body temperature higher than their environment.
Answer A is false because although birds are feathered and lack teeth, they are NOT ectothermic lizards.
Answer B is false because although birds lay amniotiv eggs, birds are a different taxonomic group than mammals, and not all birds fly.
Answer C is false because although some reptiles are closely related to birds, the current scientific consensus is that birds are a group of dinosaurs. Also, not all birds fly, and although they have lost the teeth, they have NOT lost the amniotic egg.
Answer:
carbon and hydrogen
Explanation:
elements used in the photosintheses
I am pretty sure that the actual answer hides in the question itself, therefore I'd choose the second option. According to the phrase "he more successful of the two", it definitely should be B. Competition.
I think that the answer is true