How does DDT in the environment affect many birds?

A. stunted growth of chicks
B. chronic liver failure in adults
C. advancing neurological degeneration
D. decreased reproductive rate


D. decreased reproductive rate

Biology & Microbiology

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The control over milk secretion, water balance, and labor in childbirth is mediated by the ____ gland

a. pineal b. anterior pituitary c. posterior pituitary d. parathyroid e. thyroid

Biology & Microbiology

Which of the following includes all the others?

a. actin b. myofibril c. myosin d. myofilament e. muscle cell

Biology & Microbiology

Explain how X inactivation can result in female mosaicism and give examples What will be an ideal response?

Biology & Microbiology

Male frogs give calls that attract female frogs to approach and mate. Researchers examined mating calls of closely related but separate species of tree frogs in South America

What outcomes could possibly occur where the ranges of two species overlap? I) The species will interbreed, eventually fusing over time. II) A stable hybrid zone will form if hybrids are better adapted to the area of overlap than either parent species is. III) Species will continue to diverge and be isolated by behavioral or genetic mechanisms. A) I B) II C) III D) I, II, and III

Biology & Microbiology