Prokaryotes were once described based on structures that were present in eukaryotes, but absent in prokaryotes.
Answer the following statement true (T) or false (F)
True
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In a person with the genotype XXY, we can tell that nondisjunction took place in the mother
A. true B. false
In many animals, visual signals are ____, meaning they have become exaggerated and stereotyped over evolutionary
time, forming an easily recognized visual display.
a. tactile b. conditioned c. ritualized d. habituated e. operants
What is one result of the bottleneck effect?
a. balanced alleles b. heterozygosity c. decreased genetic diversity d. disruptive selection e. random mating
Organisms such as lizards that need to maintain body temperature through external means do so by
A. shivering to produce heat. B. sunbathing. C. swimming in geothermal pools. D. running frequently to warm up. E. eating large meals to provide calories for heat production.