Answer:
The correct answer is option c) "organs".
Explanation:
One of the characteristics that define an organ is to have different layers of tissue, which fits the description that an organ must be comprised of at least two different kinds of tissue. The fact that a serous membrane contains superficial and deeper layers of epithelial and connective tissues, grants it the category of being an organ.
B because that is what happens if u have a reaction to something and stuff like that
The vertebrate endoskeleton is internal while an arthropod's exoskeleton is not
<span>A tiger looks so much different as an adult than it did as a single fertilized egg because it developed through different stages from being a zygote (fertilized egg), to becoming an embryo (where it experiences intense cellular changes), to becoming a fetus (where it gains a great measure of cell specialization, and develops distinct tissues and organ systems). After birth, the tiger still undergoes further growth and development into adulthood. This is largely regulated by the expression of different genes at different times and also by environmental factors.</span>
