<human>: Is "The line following the stem group Sphenacodontia split-off several diverse groups of non-mammalian synapsids—sometimes referred to as mammal-like reptiles—before giving rise to the proto-mammals (Therapsida) in the early Mesozoic era." a good answer to the question "From which time period did birds and reptiles began to appear from?"
OPTIONS:
- yes
- no
<bot>: no