Which of the following characteristics were most likely present in the first animals that colonized land?
A) ability to resist dehydration and presence of a spine
B) ability to resist dehydration and support themselves on four limbs
C) ability to resist dehydration and eat producers
D) ability to eat producers and support themselves on four limbs

Question

Quizplus · Accepted Answer

The first animals to colonize land would have needed the ability to resist dehydration due to the lack of constant water availability. Additionally, being able to eat producers (plants) would have been crucial for survival in a terrestrial environment where they could directly utilize the primary source of energy in the ecosystem.

Which of the Following Characteristics Were Most Likely Present in the First