The answer is D, Because dinosaurs appears in the Triassic period while insects appeared in the Devonian period which is about 160 million years about, which rules out A and B. Humans have been on Earth for almost 3 million years, which is nothing compared to the history of life in earth, which about 4,000 million years of life history, so D
The type of bone tissue that makes up the majority of the vertebral body is the cancellous bone tissue.
The answer is c. Inside leaves, there's a lot of chloroplast, which contains chlorophyll for photosynthesis. This can make energy.