The serotinous cones show:

Land utilization – the country occupies an area of ____ million ha.

A population of individuals from the same genetic stock but differing in their morphology is called:

An association between two organisms belonging to different species, which live together for mutual benefit or on partner gets benefit and other, is neither benefited nor harmed is known as:

Crops in part at least, originating from stool shoots or by other vegetative means:

The ecosystem lying in the alpine zone between taiga and polar ice is called: