1.6

Question 1

lichen

Answer 1

an organism formed by the symbiotic association of a fungus and a photosynthetic alga

Question 2

endangered species

Answer 2

a species that may soon no longer exist within certain regions and/or may be threatened with imminent extinction

Question 3

habitat fragmentation

Answer 3

the conversion of formerly continuous habitat into patches separated by non habitat areas

Question 4

habitat destruction

Answer 4

the permanent alteration of vital characteristics in an organism’s habitat

Question 5

biodiversity

Answer 5

variety of life in all its forms, including ecosystem diversity, species diversity, and genetic diversity

Question 6

invasive species

Answer 6

a new species that is introduces into an ecosystem either intentionally or unintentionally and then expands to become a breeding population that threatens the area’s biodiversity

Question 7

vulnerable

Answer 7

a species considered to be facing a high risk of extinction in the wild

Question 8

threatened

Answer 8

a species that is likely to become endangered within the foreseeable future

Question 9

extirpated

Answer 9

the local extinction of an organism or species, where is ceases to exist in a certain area but counties to exist elsewhere

Question 10

extinct

Answer 10

the death of all members of a species of plants, animals or other organisms.