environmental gradient

abiotic factor

en-GB/ɪnˌvaɪəɹənˈmɛntl ˈɡɹeɪdɪənt/
en-US/ɪnˌvaɪɹənˈmɛnəl ˈɡɹeɪdiənt/

ক্যাটাগরি:

environmental factor