The following climatograms represent three biomes. The lines represent annual temperature in degrees Celcius and the bars represent
annual precipitation in centimeters. Use these climatograms to answer
questions. Which graph represents a biome that would have soil that is
frozen permanently year round?

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

What are the student's observations and inferences before he starts his investigation?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.