« previous next »

Author Question: Winter hibernation and spring reproduction in bears are cued by seasonal changes (Read 590 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Sep 23, 2013
Winter hibernation and spring reproduction in bears are cued by seasonal changes in the secretion of
A) melatonin from the pineal gland.
B) melatonin from the hypothalamus.
C) thyroxine from the anterior pituitary gland.
D) acetylcholine from the pineal gland.
E) thyroid-stimulating hormone from the posterior pituitary gland.


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Sep 25, 2013
For sure it has to be A Mark as solved once you're done!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sammy

  • Hero Member
  • *****
  • Posts: 818
Reply #2 on: Sep 27, 2013
Marking this topic solved :D

Thanks so much for the help


« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Carolina Spring Beauty Carolina Spring Beauty
Spring Beauty Spring Beauty
Fertility, Mortality, and the Net Rate of Reproduction in Sweden Fertility, Mortality, and the Net Rate of Reproduction in Sweden
Seasonal Depression Treatment Seasonal Depression Treatment
Spring homework Spring homework
Sexual Reproduction in Plants Sexual Reproduction in Plants
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library