Which characteristic distinguishes viroids from viruses?
Presence of RNA
Ability to infect plants
Lack of a protein coat
Small size
Related Questions
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
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
Psammosere
Mesosere
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
The first organisms to colonise rocks are
Fungi
Lichens
Pteridophytes
Green 8
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psammosere
Mesosere
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psamosere
Xerosere
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
