2. Canary and Goldfinch can mate and produce offspring. Unfortunately,
these offspring do not last more than one generation. What is the most
likely explanation for this phenomenon?
• The canary and the goldfinch are ecological equivalents.
The canary and the goldfinch are the same species.
• The canary and the goldfinch are different species.
• The canary and the goldfinch are undergoing convergent evolution.