Explain the relationship between each pair of terms:
a. gene and chromosomes
b. gene and dna
c. gene and allele
d. allele and meiosis

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome