Secondary succession takes place in a grasslands and primary succession takes place in rocky desert.
Secondary succession also progresses faster.
The right answer is by use.
Before the advent of genetics animals and plants were classified in the most simple and exploitable way, that is to say by use, for example the plants was classified in nutritive plants, phytotherapeutics (it even divided into subclasses) Toxic insect repellent ...
Answer:
To "read" a set of chromosomes, scientists use three key features to identify their similarities and differences:
Size. This is the easiest way to tell chromosomes apart.
Banding pattern. The size and location of Giemsa bands make each chromosome unique.
Centromere position. Centromeres appear as a constriction.
Explanation:
Those are both examples of ecological services!