How do the levels of thermal energy and speed ter between low and high-fiction surfaces? How does this

answer; 60-100; beats per minute

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

when it is at an intermediate population density

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.