19. Which of the following statements is not true about an animal's circadian rhythm?
O A. It's not influenced by genetics, only the time of day
O B. It can be adjusted or overcome with time and effort
O C. It's influenced by genetics and the time of day
O D. Animals have special adaptations depending on whether they are nocturnal or diurnal

≅200-130 milions years ago pangea splited in 2 continents

b is the best answer for this question.

they absorb it i think

not sure

you

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.