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1. MATCHING: Match the correct geological era with the items listed below. Choices will be used more than once. 1. The first one-celled organisms (microscopic life) appear a. Mesozoic Era b. Precambrian Era 2. Age of the oldest rocks c. Cenozoic Era 3. The "Age of Reptiles" d. Paleozoic Era 4. This era lasted nearly 4 billion years 5. This era started 248 million years ago 6. Dinosaurs became extinct 7. The "Age of Mammals" 8. The first land animals appear
Answers: 3
Biology, 21.06.2019 15:30, skylerlorain1
Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above
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Biology, 22.06.2019 01:30, Clayton2847
How does friction with the atmosphere affect the speed of an artificial satellite
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Biology, 22.06.2019 03:30, sCoTtYbOy5329
What organelle other than the nucleus houses dna in a eukaryotic cell?
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Biology, 22.06.2019 14:50, jennychrin95
The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
Answers: 3
1. MATCHING: Match the correct geological era with the items listed below. Choices will be used more...
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