biodiversity natalia pluyer and camila colombo
TRANSCRIPT
Natalia Pluyer and Camila Colombo
What is biodiversity?
Is the variety of life on Earth, from genes to ecosystems. It is form by species, ecosystem, biomes or an entire planet.
What does biodiversity mean?What does “BIO” means?
What does “DIVERSITY” means?
Why is it important?Biodiversity is important because certain organisms have economic value.
They are also a source of natural beauty and recreation.
Types of biodiversity
Diversity of
species
Diversity of
ecosystem
Humans and the biodiversity
In the past Australia´s biodiversity has suffered greatly, primarily due to human abuse. Humans are now starting to realize the importance and value of biodiversity and are taking action to preserve it.
Distribution of biodiversityFlora and fauna diversity depends on:
Climate
Altitude
Soils
Presence of other species
Most of the biodiversity is concentrated inTropical region.
Benefits of BiodiversityFood/ drink
Medicine
Industrial material
Recreation
Education and research
Ecological servicesBalance of nature
Regulation of climate
Cycling of nutrients
Biological productivity
Threats to biodiversityNATURAL CAUSES
Low population
Natural disasters
Low breeding rate
HUMAN CAUSES
Pollution
Habitat modification
Global warning
NATURAL CAUSES
HUMAN CAUSES
Activity http://www.educaplay.com/es/recursoseducativos/675
670/biodiversity_nati_y_cami.htm
