What is a phylogenetic tree? A.) A diagram that shows differences in the DNA of different organisms.

B.) A diagram that shows when mutations occur in an organisms DNA.

C.) A diagram that shows evolutionary relationships between different species.

D.) A diagram that shows relationships between individuals of a family.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.