You have new items in your feed. Click to view.
Question and answer
How do invasive species change the diversity index?
Invasive species, also called invasive exotics or simply exotics, is a nomenclature term and categorization phrase used for flora and fauna, and for specific restoration-preservation processes in native habitats, with several definitions. [ Biotic invasion is considered one of the five top drivers for global biodiversity loss and is increasing because of tourism and globalization.[citation
needed] This may be particularly true in inadequately regulated fresh water systems, though quarantines and ballast water rules have improved the situation.[51] Invasive species may drive local native species to extinction via competitive exclusion, niche displacement, or hybridisation with related native species. Therefore, besides their economic ramifications, alien invasions may result in extensive changes in the structure, composition and global distribution of the biota of sites of introduction, leading ultimately to the homogenisation of the world’s fauna and flora and the loss of biodiversity.[52] Nevertheless, it is difficult to unequivocally attribute extinctions to a species invasion, and the few scientific studies that have done so have been with animal taxa. Concern over the impacts of invasive species on biodiversity must therefore consider the actual evidence (either ecological or economic), in relation to the potential risk ]
Expert answered|uxiali|Points 698|
Question
Asked 10/2/2012 5:44:37 PM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
what do you think would happen to a habitat if the plant diversity declines?
Weegy: Habitat would be affected because the living organisms rely on plants for their food. If some of these plants are no longer available, it could mean a significant decline in their number for that particular habitat. (More)
Question
Expert Answered
Asked 10/2/2012 5:28:28 PM
0 Answers/Comments
Am i cute
Weegy: Everyone is beautiful in their own way! User: i have braces and glasses and freckels an a giant mole on my right and left cheek am i the most beautiful girl in the world Weegy: Beauty is subjective and fleeting. Braces will be gone, glasses are actractive. Who cares about a mole, lots of models have those and freckles too. Be sure to work on what's inside not just on the outside. You are beautiful. (More)
Question
Expert Answered
Asked 10/2/2012 5:47:49 PM
0 Answers/Comments
26,813,500 questions answered
Popular Conversations
The efficient functioning of working memory is increased by
Weegy: The efficient functioning of working memory is increased by - selecting between relevant information and ...
1/22/2017 8:09:53 AM| 2 Answers
How does calcium obey the octet rule when reacting to form compounds? ...
Weegy: The calcium obey the octet rule when reacting to form compounds when: It gives up electrons. User: How does ...
1/22/2017 11:26:14 AM| 2 Answers
Hurricanes _____. usually form over land usually intensify over ...
Weegy: 3.gain strength from ocean heat User: In the Pacific Ocean, warm water from the equator is transported to the ...
1/22/2017 12:09:49 AM| 1 Answers
Radiologic examination, nasal bones, complete, minimum of three ...
Weegy: Here are the link for the codes:
1/22/2017 12:25:45 AM| 1 Answers
Weegy Stuff
S
Points 560 [Total 560] Ratings 2 Comments 540 Invitations 0 Offline
S
P
Points 249 [Total 680] Ratings 4 Comments 209 Invitations 0 Offline
S
Points 231 [Total 243] Ratings 0 Comments 231 Invitations 0 Offline
S
P
P
L
Points 171 [Total 1066] Ratings 2 Comments 151 Invitations 0 Offline
S
Points 88 [Total 90] Ratings 5 Comments 38 Invitations 0 Offline
S
L
P
P
P
Points 68 [Total 4027] Ratings 0 Comments 68 Invitations 0 Offline
S
Points 24 [Total 96] Ratings 0 Comments 24 Invitations 0 Offline
S
Points 11 [Total 11] Ratings 0 Comments 11 Invitations 0 Offline
S
Points 11 [Total 11] Ratings 1 Comments 1 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 1 Comments 0 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.