All of the following our characteristics of mammals except mammals are not A. Endothermic
B. Exothermic
C. Vertebrates
D. Heterotrophs.

Which of the following is an example of this type of co-evolution

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

How do living things obtain phosphorus