Changes to Environment

Ecosystems

• Ecosystem: is all of the organisms living in a place together with their environment.

• Environment: is all of the living and nonliving things that surround and affect an organism.

• Biotic: living things in an environment.

• Abiotic: nonliving things in an environment.

Ecosystem

• A community of organisms and their environment

Population

• A group of organisms of the same species that live in a specific area.

Community

• All the populations of species that live in the same area and interact with each other.

• Interact: affect each other

Population vs. Community

• Population: a group of organisms that are the same species living in the same area.

• Community: a group of organisms that are different species and living in the same area.

Niche & Habitat

• Habitat: is the place where an organism lives within an ecosystem.

• Niche: the organisms complete role, or job in an ecosystem.

Environments

The earth has many different environments, or biomes, and each has unique conditions. These conditions, which include temperature, rainfall, soil quality, and predators, present challenges to the living things born into that environment. 

Changes to an Ecosystem

The effects change has on an ecosystem.

Many Living things live on Earth and have the ability to cause changes to Earth whether are big or small.

Most ecosystems have a near perfect balance of living and non living things and if they become unbalanced, entire ecosystems Can get destroyed.

Some of the causes are: Overpopulation, pollution, invasive species, grazing, humans

Invasive Species

An invasive species can be any kind of living organism—animal, plant, insect, fish, fungus, bacteria, seeds or eggs—that is not native to an ecosystem and causes harm. 

The invasive species can outcompete the native species for food and habitats and sometimes even cause their extinction.

Overexploitation

Overexploitation means harvesting species from the wild at rates faster than natural populations can recover. Overfishing and overhunting are both types of overexploitation. 

Pollution

Streams full of toxic chemicals from industrial processes, rivers overloaded with nutrients from farms (fertilizer), trash blowing away from landfills, city skies covered in smog-all of these are examples of pollution that damage the balance of an ecosystem.

Overpopulation

Environmental problems, like rising levels of atmospheric carbon dioxide, global warming. and polution are caused by overpopulation

An environment cannot support too many of one living thing, it will be destroyed eventually

Grazing

Grazing is when animals such as cows or rabbits eat up plants

Usefulness of land can be harmed by overgrazing and the lan eventually become desert.

Overgrazing happens when plants are exposed to intensive grazing for long periods of time, or without enough recovery periods.

Building and roads

By building houses and creating new roads, animals will lose their habitats.

By cutting down trees, animals lose their habitats and oxygen production is reduces

Companies cut down trees for things like furniture, paper, any wooden material.