Match the letter of each example from childbirth to the appropriate component of a positive feedback loop.A. pituitary gland secretes oxytocin, which acts on the uterusB. uterine contractions increaseC. fetus is pushed against uterine openingD. receptors detect stretchE. brain receives and compares stretch informationEffector
What will be an ideal response?
A
A. pituitary gland secretes oxytocin, which acts on the uterus.
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Which of the following classes is comprised of carnivorous predators that are able to extend their stomachs through their mouths to feed?
A) Ophiuroidea B) Holothuroidea C) Asteroidea D) Crinoidea E) Echinoidea
When a tourist buys a sand dollar at a beach shop, what are they buying?
A. A calcium carbonate shell secreted from the mantle B. Anendoskeleton of calcium carbonate ossicles C. A molted exoskeleton made of chitin D. An endoskeleton made of bone E.An endoskeleton made of cartilage
Which subgroup of mammals raises their young in pouches?
A) Marsupials B) Monotremes C) Eutherians D) Cetaceans
The condition known as "pinkeye" may be the result of infection with
A) Haemophilus influenzae. B) Trypanosoma brucei. C) Acanthamoeba. D) Clostridium botulinum. E) Chlamydia trachomatis.