Which statement about the structure of viroids is FALSE?
They are composed of double-stranded RNA.
They lack a protein coat.
They have a circular RNA molecule.
They are smaller than viruses.
Related Questions
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psammosere
Mesosere
Lichens are ecologically important as they
Purify air
Are pioneers of ecological succession on Barren Rocks
Are symbionts of algae and fungi
Are Associated with Mycorrhizal roots
A place was rocky and barren but now there is a green forest, the sequence of origin is
Lichen, moss, herbs, shrubs
Moss, lichen, herbs, shrubs
Lichen, moss, shrubs, herbs
Shrubs, herbs, moss, lichen
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psamosere
Xerosere
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psammosere
Mesosere
In the process of primary succession, which of the following plays the role of a pioneer organism, breaking down rock to form soil?
Lichens
Ferns
Mushrooms
Insects
Which characteristic allows lichens to thrive as pioneer species on bare rock?
Secretion of rock-dissolving acids
Deep root systems
Tolerance to shade
Dependence on organic matter
Which of the following organisms are typically the first to colonize bare rocks in primary succession?
Lichens
Mosses
Grasses
Shrubs
Bare rock surfaces are initially colonized by organisms like lichens. What is the ecological term for such organisms?
Pioneer species
Climax community
Keystone species
Indicator species
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psamosere
Xerosere
