Which of the following was the most likely food source for first terrestrial tetrapods?

Question

Quizplus · Accepted Answer

The most likely food source for first terrestrial tetrapods would have been insects as they were already on land and readily available to early tetrapods. Leaves would have been difficult to break down and digest with their simple digestive systems, small mammals did not exist at the time and worms and eggs would not have been abundant enough to sustain them.

Which of the Following Was the Most Likely Food Source