Which of the following occurs during mitosis but not during meiosis 1?
A) the chromosomes are pulled to opposite poles of the spindle apparatus
B) the chromatids of each chromosome are separated
C) the nuclear envelope breaks down
D) both synapsis and crossing over take place
E) the diploid number of chromosomes is reduced to the haploid number

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Which description provides the best objective summary of the article in the passage?