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| 11530257630 | Extinction | When the last member of a species dies | 0 | |
| 11530257631 | Inbreeding Depression | When individuals with similar genotypes, typically relatives, breed with each other and produce offspring that have an impaired ability to survive and reproduce | 1 | |
| 11530257632 | Endangered | Serious risk of extinction | 2 | |
| 11530257633 | Svalbard Global Seed Vault | Contains strong seed varieties in case of natural disasters | 3 | |
| 11530257634 | Extinct species | Existed as recently as the year 1500 but no longer today | 4 | |
| 11530257635 | Threatened species | Have a high risk of extinction in the future | 5 | |
| 11530257636 | Near-threatened species | Very likely to become threatened in the future | 6 | |
| 11530257637 | Least concern species | Wide and abundant | 7 | |
| 11530257638 | Native species | Species that live in their historical range | 8 | |
| 11530257639 | Alien species | Species that live outside their historical range | 9 | |
| 11530257640 | Invasive specieas | When an alien species spreads rapidly across large areas | 10 | |
| 11530257641 | Lacey Act | Prohibits the transport of illegally harvested game animals across state lines, 1900 | 11 | |
| 11530257642 | CITES | Controls international trade of threatened plants and animals 1973 | 12 | |
| 11530257643 | Red List | List of threatened species made by IUCN | 13 | |
| 11530257644 | Convention on Biological Diversity | 1992, An international treaty to help protect biodiversity | 14 | |
| 11530257645 | Edge Habitat | Where two different communities come together, typically forming an abrupt transition, | 15 | |
| 11530257646 | Biosphere Reserves | Protected areas consisting of zones that vary in the amount of permissible human impact | 16 | |
| 11530257647 | Endangered Species Act | Has prevented or altered some construction projects to accommodate threatened or endangered species, 1973, on of the worlds toughest environmental laws. | 17 | |
| 11530257648 | Marine Mammal Protection Act | Prohibits the killing of all marine animals in the US and import and export of body parts, 1972 | 18 | |
| 11530257677 | Dodo | hunted to extinction on the island of Mauritius |  | 19 |
| 11530257678 | Silver Carp (asian carp) | invasive fish brought in to eat excess algae in fish farms and waste treatment holding ponds. |  | 20 |
| 11530257679 | Zebra Mussel | native to the Black Sea, unintentionally introduced into the Great Lakes from the ballast water of ships |  | 21 |
| 11530257680 | Brown Headed Cowbird | bird that lays its eggs in the nests of other birds |  | 22 |
| 11530257681 | captive breeding | animals that are bred in captivity with the intention of releasing their young back into the wild | 23 | |
| 11530257682 | passenger pigeon | last of its kind, Martha, died in the Cincinnati Zoo in 1914 | 24 | |
| 11530257683 | Kudzu | introduced plant used for asian beverages, to control soil erosion (since it grows fast!)and a source of tree free paper and herbal remedies. Problem is that it is invasive | 25 | |
| 11530257684 | Zebra Mussel | accidentally introduced in the ballast water from ships. Invasive animal | 26 | |
| 11530257685 | Japanese Beetle | deliberately introduced to control aphids, became invasive since no natural predators | 27 | |
| 11530257686 | water hyacinth | deliberately introduced for water gardens, invasive | 28 | |
| 11530257687 | purple loosestrife | deliberately introduced for water gardens, purple flower, invasive | 29 | |
| 11530257688 | african honey bee | deliberately introduced insect, agressive | 30 | |
| 11530257689 | European Starling | deliberately introduced bird, was in Shakespeares plays | 31 | |
| 11530257690 | illegal wildlife trafficking | 2nd larges black market commerce in the world | 32 | |
| 11530257691 | house sparrow | bird that was introduced to the US as a traveler on ships. | 33 | |
| 11530257692 | amphibians | great indicator species because they live in many different places and respond quickly to environmental change. They are easy to track and count. Suffering from Chytrid fungus. | 34 | |
| 11530257693 | Blue Whales | endangered species that can be hunted legally under the endangered species act for scientific purposes. | 35 | |
| 11530257694 | Fish and Wildlife Service (FWS) | Governmental agency that enforces the Endangered Species Act | 36 | |
| 11530257695 | Habitat Corridors | stretches of land that link isolated nature reserves | 37 | |
| 11530257696 | lumber, fuelwood, hunting | List three economic services provided by forests | 38 | |
| 11530257697 | 1995 | Year that wolves were released into Yellowstone | 39 | |
| 11530257698 | Habitat destruction | greatest threat to most species (which letter in HIPPCO?) | 40 | |
| 11530257699 | inbreeding depression | when individuals that are closely related breed with each other | 41 | |
| 11530257700 | 10 million | estimated number of species on earth | 42 | |
| 11530257701 | 2 million | identified number of species on earth | 43 | |
| 11530257702 | native species | species that live in their historical range | 44 | |
| 11530257703 | Marine Mammal Protection Act 1972 | environmental legislation that protects sea lions and other marine mammals | 45 | |
| 11530257649 | ecosystem diversity | the variety of ecosystems within a given region | 46 | |
| 11530257650 | species diversity | the variety of species within a given ecosystem | 47 | |
| 11530257651 | genetic diversity | the variety of genes within a given species | 48 | |
| 11530257652 | species richness | the number of species in a given area | 49 | |
| 11530257653 | species evenness | the relative proportion of different species in a given area | 50 | |
| 11530257654 | microevolution | evolution occurring below the species level (genes) | 51 | |
| 11530257655 | macroevolution | evolution that gives rise to new species, genera, families, classes, or phlya | 52 | |
| 11530257656 | speciation | the evolution of new species | 53 | |
| 11530257657 | mutation | a random change in the genetic code produced by a mistake in the copying process | 54 | |
| 11530257658 | artificial selection | a change in the genetic composition of a population over time as a result of humans selecting which individuals breed (with traits that are useful or aesthetically pleasing) | 55 | |
| 11530257659 | natural selection | a change in the genetic composition of a population over time as a result of the environment determining which individuals can survive and reproduce | 56 | |
| 11530257660 | fitness | an individual's ability to survive and reproduce | 57 | |
| 11530257661 | adaptation | a trait that improves an individual's fitness | 58 | |
| 11530257662 | geographic isolation | physical separation of a group of individuals from others of the same species | 59 | |
| 11530257663 | reproductive isolation | the result of two populations within a species evolving separately so they can no longer interbreed and produce viable offspring | 60 | |
| 11530257664 | genetically modified organism | an organism produced by copying genes from a species with a desirable trait and inserting them into another species | 61 | |
| 11530257665 | range of tolerance | the limits to the abiotic conditions that a species can tolerate | 62 | |
| 11530257666 | fundamental niche | the suite of ideal environmental conditions for a species, it includes abiotic factors such as temperature range, pH range, salinity, | 63 | |
| 11530257667 | realized niche | the range of abiotic and biotic conditions under which a species actually lives | 64 | |
| 11530257668 | species distribution | the distribution of species' population among a region | 65 | |
| 11530257669 | niche generalist | a species that can live under a wide range of abiotic and biotic conditions | 66 | |
| 11530257670 | niche specialist | a species that is specialized to live in a specific habitat to feed on a small group of species | 67 | |
| 11530257671 | mass extinction | a large extinction of species in a relatively short period of time | 68 | |
| 11530257672 | sixth mass extinction | extinction rates vary from 2% to 25% of species going extinct by 2020 | 69 | |
| 11530257673 | background extinction | the average rate at which species become extinct over the long term | 70 | |
| 11530257674 | coevolution | process by which two species evolve in response to changes in each other | 71 | |
| 11530257675 | resource partitioning | a situation in which two species divide a resource, based on differences in their behavior or morphology | 72 | |
| 11530257676 | competitive exclusion principle | two species competing for the same limiting resource cannot coexist | 73 | |
| 11530257704 | genetic drift | change in genetic composition of a population over time as a result of random mating | 74 | |
| 11530257705 | bottleneck effect | a reduction in genetic diversity of a population caused by reduction in the size of the population, this can be from habitat loss or a disaster. | 75 | |
| 11530257706 | founder effect | a change genetic composition due to a few individuals starting a new population away from a mainland population | 76 | |
| 11530257707 | allopatric speciation | type of speciation that occurs when species become geographically isolated from each other and then reproductive isolation occurs over time. Darwins finches are thought to have evolved this way | 77 | |
| 11530257708 | sympatric speciation | type of speciation that occurs in the absence of geographic isolation. Usually involves polyploidy, which is when the number of chromosomes increases from two sets to 3,4,6 o r 7 sets. Plants like wheat, bananas or strawberries do this. | 78 | |
| 11530257709 | generalists | organisms that have broad diets and wide habitat requirements. example raccoon, cock roach | 79 | |
| 11530257710 | specialists | organisms that have specific diets or specific habitat requirements. For example a panda that can eat only eucalyptus leaves. | 80 |
