The number of species on Earth tagged at 8.7 million as of 2011.
Answer:
um idont know i was gping to ask the same question
Answer:
The two forms interbreed and their offspring survive and reproduce well.
Explanation:
When talking about classification of species, one of the first features observed is the species fitness, which describes the reproductive success or their ability to leave to their successive generations the most copies of their genotype. When different species that were recently divided into 2, by geographic isolation, for instance, usually there is no genetic compatibility, and if its possible to produce offspring, there might be some development issues like infertility.
Answer:
number three is ghe real answer
Answer:
IGCSE**
u can just go through the book
