Which statement about ecosystems is false? most ecosystems get energy from the sun. ecosystems are units of nature. ecosystems are closed systems. all of these statements about ecosystems are false. none of these statements about ecosystems are false

What maintain homeostasis when a persons internal body temperature is 97.5°f

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.

Which statement does lola need to correct, and why? a) statement 1 because spiral galaxies do not havearmsb) statement 2 because the bulges contain mostlyyoung red stars. c) statement 3 because the arms are made of mostlyyoung blue and blue-white stars. d) statement 4 because spirals galaxies contain littleto no dust.(c)