Examlex
Home pregnancy tests detect the presence of _______, a hormone that is secreted by the blastocyst after implantation and that prevents menstruation by maintaining the corpus luteum.
Natural Selection
A process in biological evolution where certain traits become more common in a population because they contribute to an organism’s survival and reproduction.
Macroevolution
Evolution above the species level or leading to the formation of new species.
DNA Tests
Methods used to analyze the genetic material from an individual's cells, to identify genetic variations, relationships, or susceptibility to diseases.
Dadaab Refugee Camp
A large refugee camp in Kenya, established in the early 1990s to house those fleeing conflict in neighboring countries, predominantly Somalia.
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Q220: Which characterizes antibodies?<br>A) They occur in blood
Q223: Which feature characterizes the notochord?<br>A) It develops