Which of these is an example of an endoparasitic relationship? A. A snake eating a mouse in a cornfield B. A tick living in an animal's fur coat C. A rabbit eating lettuce in a farmer's garden D. A tapeworm living in an animal's intestine

D. A tapeworm living in an animal's intestine

Explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.