During the Proterozoic life evolved from simple bacteria having prokaryote cells, first to more complex single celled organisms, the eukaryotes, and then to multi-celled plants and animals. It is also during this time that the earth's atmosphere was transformed by cyanobacteria.
Answer:
Just 1 that's why it is asexual and not sexual.
Explanation:
Answer:
Warmer and hotter.
Explanation:
On June 21 has warmer climate than December 21 in the Northern Hemisphere whereas southern Hemisphere, December21 is the warmer and June 21 is colder climate. This is because of the difference in the amount of radiation and the tilting of the earth. Due to tilting of the earth, changes occur in the angle of solar radiation and decreases its intensity and the climate will be cold.
The answer is (C), because, red blood cells or wbc regulate body temperature (Idr), wbc fight infections, and rbc transport nutrients
<span>b. macronutrients and micronutrients.
Hope this helps!</span>