Populations
communities
ecosystem
biosphere
Answer: Dinosaurs
Many forms of plants, invertebrates, and fishes evolved during the Mesozoic Era. Since the dinosaurs were the dominant animals on land then, the Mesozoic Era is called the Age of Reptiles. Dinosaurs, however, became extinct even before the end of the Era.
Answer: A) enables the membrane to stay fluid more easily when the cell temperature drops.
The answer is b since it is the most red and if you look at a compass, it is southwest
