In the earliest stages of development, all four organisms have a knobby head, gill slits, and a tail. These similarities tell us that all four of these organisms have a common ancestor.
Answer:
the bottom left one is the one
I would say A, B D are the correct answers
Answer:
I would probably want to give my child one or two specific traits like intelligence or no inheritable diseases, because I would want my child to have a excellent chance of success in life.
Explanation:
Answer:
Iodine
Explanation:
Iodine is needed by animals because the body's metabolic rate is controlled by the action of an iodine hormone, called thyroxine, which is secreted by the thyroid gland in the neck.
If the animal fails to supply enough iodine through food to be able to make a normal amount of this compound, then the thyroid gland enlarges or expands trying to create enough, resulting in a common type of goiter.