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The serous membranes are: Peritoneum — the peritoneal cavity is found within the abdominal & pelvic body cavities. Connecting peritoneum forms: — mesentery — ligament. Pleura — two pleural cavities (separated by mediastinum) are found within the thoracic cavity.
Answer:
hybridation. Puggle is a combination of two different species of dogs and the process of combining two different species to produce a new species is known as hybridation.
Your answer is D.)
Cell walls are indeed rigid and are not flexible. Cell membranes are more flexible.
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Biotic means that it came from or has been produced/has been in relation with an organism. So your answer would be THE BACTERIA THAT LIVES IN THE INTESTINE OF A RABBT, it was the interaction of 2 things within them selves.