According to the geologic timeline, for how many years of geologic time did the dinosaurs exist on Earth? Group of answer choices 65 million years 248 million years 540 million years 183 million years

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white