Biodiversity tends to _________nearer the equator
increase
Biodiversity maintains food ________
chain or web
How many mass extinctions did Earth have?
5
Species in this category have begun to show signs of being endangered such as declining habitats or habitat space
Vulnerable
The number of organisms in an ecosystems is the Specie:
A. Richness
B. Abundance
A
About how many species on Earth were given scientific names?
Biodiversity provides natural resources for food, shelter and even ___________ that would lead to good health for all living things
medicine
describes a species that no longer has any known living individuals.
Extinct
Species that fall under this category at a high risk of becoming extinct either in the wild or altogether. This change can be brought by a whole slew of things, but the major causes are typically related to humans.
Critically Endangered
Which has lower biodiversity?
Community B
The number or variety of species in a given area is called ___________________
Species Diversity
Ecotourism can bring million of dollars into the nation's economy. It has become a vital source of ________for people in different nations such as Costa Rica for its rainforest, Australia for its great barrier reef...
Income
The Living Planet Report 2022 is a comprehensive study of trends in global biodiversity and the health of the planet. This flagship WWF publication reveals an average decline of ____% in species populations since 1970
69
a species has been wiped out in the wild and the remaining species are under careful watch in zoos or conservatories to ensure that those species continue to exist
Extinct in the wild or extirpated
An ecosystem has 4 monkeys, 5 eagles and 4 rhinos.
What is it N?
Ecosystem diversity is the variety of _________ within a given area
ecosystems
Biodiversity leads to fast recovery of an ecosystem from natural _____________
disaster
Poaching was notorious before the law on ESA was signed. What is in tusks of elephants that can be used to create variety of products?
Ivory
Law signed 1973 that Provides a program for the conservation of threatened and endangered plants and animals and the habitats in which they are found.
Endangered Species Act
what is the equation to solve for Simpson's Diversity Index?
Genetic diversity describes the variation of genes or differences in _______among individuals within species and populations
DNA
Biodiversity, especially genetic diversity benefits agriculture. It helps in __________-formation and leading to more yields of crops.
soil
enumerate the 4 causes of Biodiversity loss. You must give the 4 to get the points.
Pollution, Habitat alteration, overharvesting/overuse, invasive species
According to International Union for the Conservation of Nature, what classification do we belong?
least concern
An ecosystem has 2 lions, 5 monkeys, 3 eagles and 5 zebras. Calculate the D.
4.38 or 4.375