What is believed to have brought on the mass extinction at the end of the Cretaceous period that ceded dominance of the land from dinosaurs to mammals?
a. disease epidemic
b. volcanic eruptions
c. asteroid impact
d. genetic defect
c. asteroid impact
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What are the three factors that regulate blood pressure?
What will be an ideal response?
Which sentence describes the principle of independent assortment?
a. Genes on the same chromosome are always inherited together. b. Two alleles for a single trait are randomly sorted to individual gametes; chromosomes are not mentioned. c. Alleles on different homologous chromosomes are not randomly sorted to individual gametes. d. Genes on the same
Evolution is based on adaptations that aid in the survival and reproduction of a species. List three different adaptations
What will be an ideal response?
The striations (lines) of skeletal muscles are caused by the arrangement of many elongated ________
Fill in the blank(s) with correct word