Conservation/Extinction Flashcards
Biodiversity
Richness, abundance, and variability of plant and animal species and communities and the ecological processes that link them with one another and with soil, air, and water
What is the biggest species?
Insects (4-30 million)
What is the smallest species?
Mammals (5500)
How many species are there total?
8.7 million
What percent of the total amount of species are in North America?
15%
Tree Diversity Depends On…
The area the trees are in
Most Diverse Tree Populations
Tropics
Rainforests
Ecosystem
Superorganism
What is dependent on what?
Species conservation is dependent on ecosystem conservation and vice versa
What are major threats to biodiversity? (4)
Invasive diseases
Roads/cars
Pollution
Boats
How do invasive diseases become a thing?
They are brought to US by other countries
Examples of pollution that threats biodiversity (2)
Oil spills
Ocean garbage
Fragmentation
Cutting down trees to expand housing/businesses
How does fragmentation affect song birds?
They come back from the south to find no trees to
