Answer the following statements true (T) or false (F)
1. In red-winged blackbirds, females tend to choose males with the most desirable territories and males compete with each other for territories.
Redwing blackbirds demonstrate both intersexual selection and intrasexual selection.
2. Cryptic female choice is a type of intrasexual selection.
3. A population undergoing microevolution would show Hardy-Weinberg disequilibrium.
4. The Mexican axolotl (Ambystoma mexicanum) is an amphibian that has a derived mode of development characterized by metamorphic failure. This mode of development results in an entirely aquatic life cycle and is an example of paedomorphosis.
1. TRUE
2. FALSE
3. TRUE
4. TRUE
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Approximately _____ of IVF pregnancies result in multiple births
a. 5% b. 10% c. 20% d. 50% e. 75%
Tinbergen's wasp experiments demonstrated that wasps find their nests by ____ cues
a. olfactory b. auditory c. visual d. both olfactory and visual e. both magnetic and auditory
Oversecretion of growth hormone in adulthood results in
a. pituitary gigantism. b. acromegaly. c. pituitary dwarfism. d. diabetes insipidus. e. cretinism.
Answer the following questions true (T) or false (F)
1. The tuberculin response is an example of allergic contact dermatitis. 2. Children with Bruton-type agammaglobulinemia are highly susceptible to recurrent bacterial infections. 3. Systemic lupus erythematosus (SLE) is a disease resulting from accumulation of immune complexes in various organs and tissues.