Biodiversity
The variety of living organisms on Earth is called
biodiversity
The number of different species in a particular ecosystem is called _______ diversity
species
Genetic diversity is the variety of genes, or forms of genetic information, that exist in a ________ of species.
population
Ecosystem diversity is the _____ of ecosystems in a given area.
variety
__________________ is the most biodiverse state in the US.
California
There are 3 major types of biodiversity are
Species Diversity
Genetic Diversity
Ecosystem Diversity
Species diversity is a measurement of an ecosystem’s species _______ and evenness.
richness
The molecule ______ contains genes that are passed down from parent to offspring
DNA
Ecosystems are _________ of biotic (living) and abiotic (non-living) factors in an area
communities
______________ is the least biodiverse biome.
Tundra
Biodiversity is ____ _____ to sustaining life on Earth.
essential
Species diversity contributes to ________ diversity
ecosystem
Variations in _______ contribute to genetic diversity
traits
A biome is a collection of ecosystems with similar _____ and_______.
climate, species
Approximately _________% of Earth's organisms have been identified.
14-15
The 6 kingdoms of life are
Animals, Plants, Eubacteria, Protists, Archaebacteria, Fungi
Plants, animals, or microbes whose presence, absence, or population health reflects specific environmental conditions, acting as early warnings of ecosystem changes.
Indicator Species
Genes ____ for traits
code
What are the 5 major biomes
Aquatic, Desert, Forest, Grassland, Tundra
__________ and ________ are two of the most biodiverse places on Earth
Tropical rainforests, coral reefs
The biggest threat to biodiversity comes from
humans
The relative abundance of the different species in an area is
species evenness
_________________ changes lead to natural selection and survival of the fittest
Environmental
__________ is essential to ecosystem function
Biodiversity
The structure of the world’s ecosystems has drastically changed in the last _____ years.
100