The hawaiian silversword originated from a species of tarweed, which is a plant native to present-day california. this plant colonized the hawaiian islands approximately 5 million years ago, and currently consists of 30 species that are monophyletic, rapidly speciated, and have diversified ecologically into many different niches. this type of colonization is referred to as a/an
a) adaptive radiation
b) convergent evolution
c) polytomy
d) synapomorphy

(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 of the following statements is true of cells

What is the function of the nucleus in the euglena cells you observed?