Fish live completely in water, amphibians partly in water and land while reptiles live on land. Fish and reptiles have scales while amphibians have smooth skin. Fish breath through gills, amphibians through gills and lungs while reptiles through lungs. They are generally classified as vertebrates.
An example is sexual dimorphism<span>. This refers to differences between the phenotypes of males and females of the same </span>species<span>. In humans, for example, males and females have different heights and body shapes.</span>
Answer:
A.) Pollen are well preserved in the sediment layers because they are highly resistant to decay.
B.) Other indicators that can be used to determine past climates are through the analysis of the width of tree rings and the coral reefs formed underwater.
A would be the best answer out of these choices because it’s closest to hot during the day and cool at night
