Biology, 05.02.2021 18:50, anitadefrances
What is the main function of the structure labeled A? It attracts insects and other animals. It moves the pollen to the ovaries. It catches pollen. It produces pollen.
Answers: 3
Biology, 21.06.2019 17:00, gshreya2005
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 22.06.2019 04:30, iviestrong7430
Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?
Answers: 1
Biology, 22.06.2019 09:00, noeminm105
Which two criteria must be met before scientist can use radiocarbon dating? explain your answer
Answers: 3
Biology, 22.06.2019 11:20, gamallopatty
Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa. which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.
Answers: 2
What is the main function of the structure labeled A? It attracts insects and other animals. It move...
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