Subsystems of the Earth

21問 • 5ヶ月前

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CONTINENTAL DRIFT THEORY • proposed that continents changed positions over time, and there was a point in its geologic history when all continents are one. • Pangea, also known as the supercontinent

ALFRED WEGENER (1880-1930)

random mutations in gene happen for survival

GENETIC MUTATION,

nature select traits that will survive in the environment.

NATURAL SELECTION,

IMPORTANT IDEAS: • NATURAL SELECTION, nature select traits that will survive in the environment. • GENETIC MUTATION, random mutations in gene happen for survival • THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION.

CHARLES DARWIN (1809-1882)

large-scale effects are a result of quick and sudden geological events.

Catastrophism

large-scale effects are the consequences of tiny changes accumulated over time.

Gradualism,

PRINCIPLE OF GEOLOGY: The present is the key to the past. • Gradualism, • Catastrophism,

CHARLES LYELL (1797-1875)

Flora and fauna exists in physical conditions of the place (temperature, altitude, humidity, and atmospheric pressure) • Different climatic conditions of different countries

ALEXANDER VON HUMBOLDT (1769-1859)

water moves between the hydrosphere and the atmosphere.

Water Cycle

Atmosphere and Hydrosphere Interact

Evaporation and Weather Cloud Formation Weather Patterns

Geosphere and Biosphere Interact

Plants and Soil Animal Habitats Erosion and Landforms

Biosphere Hierarchy of Life

atom,molecule,organelle, cells, tissues, organs, organ system, organism, population, community, ecosytem,biomes

includes all living things on Earth, such as plants, animals, and even tiny microorganisms.

Biosphere

Layers of Earth's Atmosphere

troposphere stratosphere mesosphere thermosphere exosphere

the layer of gases surrounding Earth. It's what we breathe and what protects us from the sun's harmful rays. contains different gases, including oxygen, nitrogen, and water vapor.

Atmosphere

Distribution of Freshwater

Glacier and Ice Caps (68.7%) Surface Water(1.2%) Groundwater (30.1%)

Water on the Earth

71% of Earth's surface 97% is saltwater 3% is freshwater.

Ground ice and permafrost

Cryosphere

includes all the water on Earth. This means oceans, lakes, rivers, streams, glaciers, and even the water underground.

Hydrosphere

largest sphere out of four spheres part of Earth that includes all the rocks, minerals, landforms, and the ground beneath our feet.

Geosphere

four major systems of Earth

biosphere geosphere hydrosphere atmosphere

ROCKS

Erisey Manayon · 35問 · 5ヶ月前