The name for the protective structure that forms around and embryo is called an placenta
Answer:
O, I believe.
Explanation:
If the mother doesn't have O, then the father must have it.
If this doesn't help, I apologize, I just thought through it logically.
Answer:
Their fins have skeletal and muscular structures similar to amphibian limbs.
Explanation:
Coelacanth is a special type of fish called lobfin. It is significant in evolution because it is a missing link between fishes and the amphibians. They evolved into the first amphibians that lived on both land and water. These were the ancestors of modern day frogs and salamanders.
Coelacanths are important for understanding the transition from water to land. Coelacanths were thought to be the ancestors of tetrapods a four-legged, land-living animals, but recent discovery of the coelacanth genome suggests that lungfish are actually more closely related to tetrapods.
Image result for Which of the following is found in the excretory system
Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Probably D because ignoring them will make them want to talk more
