Describes the specific set of environmental factors required for the species' existence (niche).
Refers to the specific set of chromosomes (number, shape, size) unique to a species.
Covers the similarity of vital processes, particularly reproduction and timing of breeding.
: This specific topic (Species Criteria) is a high-frequency subject for the OGE (Grade 9 State Exam) .
A method of teaching French as a foreign language, specially adapted for the Kingdom of Saudi Arabia. It has been authorized by the Ministry of Education in the Kingdom of Saudi Arabia.
Levels 1 and 2 cover level A1.1 of the Common European Framework of Reference for Languages (CEFR).
For further information, please refer to our website in its French version.
