Biology, 27.07.2019 23:00, TrucerZ6707
Look at the representation of a hillside below. the symbols in each stratus of the cross-section represent fossils of different organisms. which of the following organisms must have evolved first? % * ^ ^ * % $ $ $ # # # * * * * * $ * * * $ $ # # # # @ % # # # @ @ ! ! ! ! * * @ < < < < < + + + + = = a* b# c@ d$
Answers: 1
Biology, 21.06.2019 20:00, Mathmatician22
Two male mice, which we will call male a and male b, are both phenotypically normal. male a was from a litter that contained half phenotypically normal mice and half dwarf mice. the mother of male a was known to be homozygous for the normal igf2 allele. male b was from a litter of eight mice that were all phenotypically normal. the parents of male b were a phenotypically normal male and a dwarf female. male a and male b were put into a cage with two female mice that we will call female a and female b. female a is a dwarf and female b is phenotypically normal. the parents of these two females were unknown, although it was known that they were from the same litter. the mice were allowed to mate with each other, and the following data were obtained: female a gave birth to three dwarf babies and four normal babies. female b gave birth to four normal babies and two dwarf babies. which male(s)mated with female a and female b? male a with both females male a with female b, and male b with female a male a with female a, and male b with female b could not be determined male b with both females
Answers: 3
Biology, 21.06.2019 23:40, elisameza
Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.
Answers: 1
Look at the representation of a hillside below. the symbols in each stratus of the cross-section rep...
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