What is biodiversity Flashcards
Biodiversity is…
a broad concept surrounding total diversity, increasing species, habitat and genetic diversity
What is a species
a group of organisms sharing common characteristics that interbreed and produce fertile offspring
What is species diversity
the number of species and their relative proportions
What is a habitat
the environment in which a species normally lives in
Habitat diversity?
the range of different habitats in an ecosystem or biome
Genetic diversity?
refers to the range of genetic material present in a population of a species
Biodiversity is often used as a way of referring to the _________ it a community, ecosystem of biome.
heterogeneity
Conservation of habitat diversity usually leads to…
The conservation of species and genetic diversity.
Conservation of habitat means…
‘keeping what we have’
to protect habitats and ecosystems from human made disturbances such as deforestation and population.
What is speciation?
This is when species are formed by gradual change over a long period of time
Isolation is when a group from a species has been _____ from the original species, which restricts them from ______ with the original species due to ____.
Example - Emu and…
Separated
Reproduction
alteration
Ostrich
What is a niche?
A set of abiotic and biotic conditions/resources in which a species could survive and reproduce
