The ash layer is igneous rock. Absolute dating show the ash layer is 12 million years old. What can you infer about the animals found in the ash layer?

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.