39:30 Some species of plants have evolved highly specialized flowers that only a single species of hummingbird can reach. This is to each an advantage - the flower benefits as the hummingbird only visit other flowers of the same species, and the hummingbird benefits as the only species that can feed on the abundant nectar
https://watch.amazon.com/detail?gti=amzn1.dv.gti.a0af0d55-ad1a-1461-a8ad-08ce3bbe1f98&ref_=atv_dp_share_mv&r=web 
No comments:
Post a Comment