Makeup assignment for Ecosystems and climate zones videos by Seham Abdallah

two types of succession:

id374 — 2024-03-28 07:36:08 UTC

Primary Succession: This happens in places with no soil, like after a volcano erupts or on new land like sand dunes. It starts with small plants like lichens and mosses and takes hundreds or thousands of years to become a stable ecosystem.

Secondary Succession: This occurs where soil is already there but got disturbed, like after a forest fire or on abandoned farmland. It begins with fast-growing plants like grasses and shrubs and takes several decades to restore the ecosystem.

Factors Affecting Climate Change:

id374 — 2024-03-28 07:37:05 UTC

Greenhouse Gases: These gases, such as carbon dioxide and methane, trap heat in the Earth's atmosphere, leading to global warming.

Deforestation: Cutting down forests reduces the amount of carbon dioxide that can be absorbed, contributing to higher greenhouse gas levels.

Industrial Activities: Burning fossil fuels for energy releases large amounts of carbon dioxide and other pollutants into the atmosphere.

Different Climate Zones:

id374 — 2024-03-28 07:38:00 UTC

Tropical Zone: Near the equator, with warm temperatures and high humidity.

Temperate Zone: Mid-latitude regions with moderate temperatures and distinct seasons.

Polar Zone: Near the poles, with cold temperatures and little sunlight during winter.

Arid Zone: Dry regions with low precipitation and high temperatures.

Examples of Changes in Ecosystems from Insects like the Pine Beetle:

id374 — 2024-03-28 07:39:04 UTC

More Trees Dying: Pine beetles can kill many trees, changing how the forest looks.
Animals' Homes Changing: Dead trees and new plants can affect where animals live.

Higher Fire Danger: Dead trees can catch fire more easily, making forest fires more likely.

Impact on the Environment: Lots of dead trees can affect how carbon moves in nature, which could add to global warming.