Homework Help: Science: Earth: Glaciers

Glaciers of the past and present have had effects on the environment. They are both long-term and short-term. Here are some of the effects on plants and animals.

• Most of the plants were all ready there
• A lot of animals have died since then including: mammoths, mastodons, saber-toothed tigers, giant ground sloth, and many more
• As ice advanced, animals were forced to move farther south
• Scientists know that early man live in Europe during part of the ice age

Here are some effects from the ice sheets

• As they moved south they scraped up rocks and stones and carried them.
• Ice sheets ground off the tops of hills
• They cut valleys deeper
• Where ice sheets melted, animals came back to live
• Left bare bedrock
• When ice melted it turned into water, which ran off in the form of streams
• Some water remained and became lakes
• In some places lakes dried up and became beds that collected silt
• The Great Salt Lake was also formed during the ice age
• Grass grown where ice had been
• Changed sea level

The End!

Homework Help: Science: Earth

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