Biology, 18.10.2019 07:00 auviannadority13
Which statement best describes the current scientific view of birds? a) a group of feathered, ectothermic lizards that lack teeth b) a group of flying mammals that are derived from monotremes, which also lay amniotic eggs c) a group of flying, endothermic reptiles that have lost teeth, the amniotic egg, and other heavy body features as an adaptation for flight d) a group of feathered, endothermic dinosaurs
Answers: 2
Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
Answers: 1
Biology, 22.06.2019 02:20
Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger
Answers: 3
Biology, 22.06.2019 05:20
The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
Answers: 2
Biology, 22.06.2019 08:00
In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?
Answers: 3
Which statement best describes the current scientific view of birds? a) a group of feathered, ectoth...
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