The correct option would be c.
Answer:
<h2>4</h2>
Explanation:
Lobe-finned fishes are bony fish, having fleshy, lobed, paired fins, these fins are joined to the body by a single bone only . The fins of these lobe-finned fishes differ from all other fishes in many ways, Lobe-finned fish lived in water.
By the passage of time, from fin on lobe-finned fish changed to legs and feet on the early amphibians due to variations among offspring, followed by natural selection. These legs and feet containing amphibians lives both in water and land.
I believe the answer is true. Humans have a digestive track, which removes unwanted matter from the body.
I believe true because the Precambrian is the first geologic time, going back 4600-570 years ago, meaning it should contain the earliest of things.
