Ecosystems

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Definition of HABITAT

• Group of organisms that belong to the same species

• Interaction between populations

• The place where a particular plant or animal species normally growths or lives

BIODIVERSITY

It's balance can be affected by .....

• 1. 1. Invasive species

  2. 2. Global warming

  3. 3. Solar System

• 1. 1. Global warming

  2. 2. Human activity

  3. 3. Global mobility

• 1. 1. Global warming

  2. 2. Invasive species

  3. 3. Human activity

• 1. 1. Human activity

  2. 2. Global mobility

  3. 3. Invasive species

FOOD CHAINS

• - Consumers: ....

• Make their own food through photosynthesis

• Feed on other living things

• Get the nutrients they need from dead organic matter

What is the starting point for all food chains?

• Stars

• Galaxies

• The Earth

• The Sun

INTERSPECIES RELATIONSHIPS

• - Competition: ...

• A relationship that harms one species (host) and benefits the other (parasite)

• A relationship that benefits both species

• A relationship that benefits one species but do not affect the other

• Organisms compete for the same limited resources, such as food, water or habitat.

INTERSPECIES RELATIONSHIPS

• - Parasitism: ....

• A relationship that harms one species (host) and benefits the other (parasite)

• A relationship that benefits both species

• A relationship that benefits one species but do not affect the other

• Organisms compete for the same limited resources, such as food, water or habitat.

TERRESTRIAL ECOSYSTEMS:

This Ecosystem is near the north pole. It is the coldest ecosystem in our planet. It is home to grasses and mosses. Trees do not growth here. To save energy during the long winters, many of the species hibernate.

• TUNDRA

• FOREST

• DESSERT

• GRASSLANDS

TERRESTRIAL ECOSYSTEMS:

This Ecosystem is the driest on Earth. It is very sandy and rocky. Desserts have very little vegetation. Dessert animals and plants have adapted to their enviroment.

• TUNDRA

• FOREST

• DESSERT

• GRASSLANDS

• ARTIFICIAL ECOSYSTEM

• AQUATIC ECOSYSTEM

• TERRESTRIAL ECOSYSTEM