Certain species of which one of the following organisms are well known as cultivators of fungi?

The correct answer is Ant.

Key Points    Ant:

• This species of Ant is well known as the cultivator of the fungi. Hence, option 1 is correct.
• Few other insects such as termites, beetles, and marsh periwinkles are also able to cultivate fungi.

    Cockroach:

• Cockroach falls under the category of menace-causing insects.
• Cockroaches or roaches fall under the suborder Blattodea which is under the super order Dictyoptera.
• Cockroaches usually prefer a warm, dark-dingy, and humid climate to survive.

    Crab:

•  the International Union for Conservation of Nature (IUCN)’s has decided to observe the first-ever International Horseshoe Crab Day on 20th June 2020.
• Odisha is their largest habitat in India.
• It is in Schedule IV of the Wildlife Protection Act 1972, under which the .catching and killing of a horseshoe crab is an offense.
• The Zoological Survey of India has suggested declaring the habitat of horseshoe crabs as Eco-Sensitive Zones for their conservation and proper management.

   Spider

• The spider belonging to the Genus Poecilotheria, commonly known as the Peacock Parachute Spider or Gooty Tarantula was spotted in the Pakkamalai Reserve Forests in Villupuram District, Tamil Nadu.
• Peacock Parachute Spider (Gooty Tarantula)
• The International Union for Conservation of Nature (IUCN) has categorized it as Critically Endangered.
• It is endemic to India.
• The known habitat of this species is in the Eastern Ghats especially degraded forests near Nandyal in Andhra Pradesh.​

   Hence, the correct answer is Ant.