Earth Science

Soil Erosion

Think of water and wind as enemies to soil and trees and vegetation as protectors since they prevent water and wind from penetrating the soil.

Sustainable Development

Before throwing away your trash, find out if you can recycle or reuse any of your waste. Consider the materials that make up the products you use: can they be reproduced or reused?

Overpopulation and Overconsumption

People in developed nations use 32 times more resources than people who live in developing nations.

Agriculture and Human Population Growth

Some scientists think that the Earth can only contain 1 billion people. How do you think we are able to house 7 billion people on Earth today?

Human Evolution

Chimpanzees are humans’ closest relatives, which is why they resemble humans so greatly.

History of Cenozoic Life

Remember that the Cenozoic Era is also known as the “Age of Mammals.”

History of Mesozoic Life

The Mesozoic Era can be divided into three separate periods: Triassic Jurassic, and Cretaceous. Each period had similarities between one another as well as unique characteristics.

History of Paleozoic Life

The Cambrian Explosion is similar to the Big Bang—both were “explosions of life.”

Evolution of Eukaryotes to Multicellular Life

To remember the difference between eukaryotes and prokaryotes, remember that you are a eukaryote. Humans are large, complex organisms whose eukaryotic cells have nuclei.

Evolution of Simple Cells

To remember the difference between eukaryotes and prokaryotes, remember that YOU are a eukaryote. You are a larger, more advanced organism whose eukaryotic cells have nuclei.

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