OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why can an invasive species be potentially threatening to an ecosystem?
A
Organisms in the ecosystem may not know how to protect themselves
B
They can add genetic variation
C
They can mate with members of the community which leads to the evolution of a new species
D
They can be used to synthesize new medicine for harmful diseases
Explanation: 

Detailed explanation-1: -Invasive species cause harm to wildlife in many ways. When a new and aggressive species is introduced into an ecosystem, it may not have any natural predators or controls. It can breed and spread quickly, taking over an area.

Detailed explanation-2: -Classical biological control, or biocontrol, is the use of living organisms such as insects, mites or fungal pathogens to control pest populations. It levels the playing-field by reintroducing some of the specialist natural enemies that help control the invasive species in its native range.

Detailed explanation-3: -Invasive alien species are one of the biggest drivers of biodiversity loss and species extinctions. Biological invasions also put human health, food security and livelihoods at risk, as highlighted in the United Nations Sustainable Development Goal 15.

There is 1 question to complete.