What has a thick wall to withstand the higher pressure of blood being pumped from the heart. what carries blood away from the heart. what carries blood carries blood containing little oxygen.

human-caused climate hope this

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.

the answer is d. embryo