What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.
Answer:
i think it is the middle one
B
I think it's the first one: the red fox that inhabits farmlands and forests has a red coat, but it's relative, the kit fox, lives in a desert has a sandy-colored coat
No, they cannot be sure because the man has short eyelashes so the children each get characteristics from each parents so some may have long eyelashes and some may have short eyelashes.
Answer:
1. Leads to mixing of genetic materials hence variation within species
2. Leads to offspring with hybrid viguor that tend to show high and adaptability to environmental conditions.
3. Variations due to sexual reproduction leads to improvement of species hence evolutionary changes that may bring about specialisation
