Post on 05-Dec-2014
description
ECOSYSTEMS
ELEMENTS :• Living things : that live there.• Habitat : place where they live.• Relationships : between different
living things and their habitat.
LIVING THINGS
HABITAT
RELATIONSHIPS
CHARACTERSTICS :• Water : transparency and amount of
oxygen. Aquatic ecosystems.• Terrain or land : terrestrial
ecosystems.• Altitude ,temperature ,humidity and
sunlight.
LIVING THINGS :• Species : living things that reproduce
with each other.• Population : group of living things
that belong to the same species.• Community : group of different
population that live together.
SPECIES POPULATION
COMMUNITY
FOOD CHAINS AND THEIR LINKS :
• Producers : living things like plants that make their own food.
• Primary consumers : herbivores that eat producers.
• Secondary consumers : carnivores and omnivores that eat primary consumers.
• Decomposers : bacteria and molds eat the remains of other living things.
AND NOW :