What often describes organisms with a Type III life history?
A. K-selected
B. r-selected
C. idiopathic
D. at their carrying capacity
E. subject to low predation rates
B. r-selected
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The following represents a portion of one half of a DNA strand: TCGAAGTC. Which of the following represents a single mutation in this portion of DNA?
a. AGCTTCAG b. TCGTAGTC c. UCGAAGUC d. ACGUUCAC
What are the odds a child will inherit a recessive disorder if one parent is recessive and the other is heterozygous?
a. 33% b. 75% c. 25% d. 50% e. 40%
Where are blood cells and platelets produced?
A. in red marrow inside of bones B. in yellow marrow inside of bones C. in joints by chondrocytes D. in the liver E. in the spleen
Which description applies to a population that's exhibiting exponential growth?
A) It will have growth proportional to the current total. B) It shows a decreased growth rate over time. C) It doubles every year. D) It has as many individuals being born as are dying.