Emily found an animal on the sidewalk. read the description, then tell which type of animal it was: it didn't have a backbone, so she knew it was an invertebrate. after careful observation, she noticed it had three pairs of legs and a pair of wings. its body was also divided into three parts. a. crustacean b. coral c. insect d. annelid

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

(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.

Which nucleotide component contains nitrogen