Answer: Internal skeleton, flippers/fins & tail, and embryos with 4 limb buds3.) brainliest??
Explanation:
Answer:
Skeletal muscles are the only muscles that can be consciously controlled. They are attached to bones, and contracting the muscles causes movement of those bones. Any action that a person consciously undertakes involves the use of skeletal muscles. Examples of such activities include running, chewing, and writing.
Explanation:
Carbon dioxide enters the plant oxygen exits the plant by the leaves
Natural selection acted on developmental regulatory genes that determine gill arch morphology..