Biology, 06.09.2021 18:20 kelechikamalu1
1. Which among the following is considered a demerit of the ‘Engler and Prantſ' system of classification? A. Gymnosperms are placed between Monocotyledons and Dicotyledons B. Gymnosperms are placed among Dicotyledons
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
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Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative
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Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
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Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
1. Which among the following is considered a demerit of the ‘Engler and Prantſ' system of classifica...
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