what is the defintion of the invasive species? please help. Thank u.?

Question

Invasive Species. I need the definition very important. please help.

Answer 1

Invasive and Exotic Species - any species, including its seeds, eggs, spores, or other biological material capable of propagating that species, that is not native to that ecosystem; and whose introduction does or is likely to cause economic or environmental harm or harm to human health.

Hope it helps

Answer 2

There are two things going on in the answers you have so far.

1. Non-native species, or species that are not native to an area but have arrived in that area from somewhere else are also called alien species or exotic species. They can be invasive, as well, but invasive does NOT mean the same thing as non-native. Non-native species become invasive when they have no natural enemies or diseases in the new environment and when they take over niches.

2. Invasive species may be non-native or native. A native species can become invasive if we remove some of the population controls that have kept the population in check up to that point. For instance, if the diseases or predators for that particular species decline, then the population of that particular species may increase and begin crowding other living things and expanding their own influence in the ecosystem. To invade means to come in and take over, but in this case it's the "take over" part that makes them invasive. Invasive species outcompete other species that are trying to make use of the same niche. This act upsets food chains and the general balance in an ecosystem.

Answer 3

An invasive species is a species of plant, animal, or other organism that was introduced (usually by man) to a non-native ecosystem, where it became harmful to the natural environment or to human health
Species-based characteristics focus on plant competition. While all plants are able to compete in some manner in order to survive and persist, invasive species appear to have specific traits or combinations of specific traits that make them especially good competitors. In some cases it can be as simple as having the ability to grow and reproduce more rapidly than native species

One example of an insect invasive species is the catus moth which has taken over and devastated prickly pear cactus

Hope this helps a little

Answer 4

the position are you from? each area has it really is personal issues ie: the excellent Lakes have a situation with zebra muscle tissues, and are in possibility of being invaded via the Asian carp. In Seattle the position i'm now, there's a Himalayan blackberry plant that tastes extremely solid so people love them of their yards, yet they take over each thing, decreasing biodiversity. also search for the emerald ash borer (Agrilus planipennis), that is a eco-friendly borer that has an extremely severe kill cost for ash timber. My prominent (i understand that sounds weird and wonderful, yet i'm a plant nerd) invasive species is caulerpa taxifolia. For a presentation there's a exceptionally solid tale about the algae getting dumped into the Mediterranean via someone contained in the prominent Oceanographic Museum and is now between the in hardship-free words 2 algae species on the IUCNs record of one hundred worst invasive species! there is plenty to discuss it! solid success!

Answer 5

it is a non-native species that poses a threat to the indigenous vegetation, by growing at a fast rate and basically taking over any available ground