<span>The horizontal line present across the front teeth are called perikymata. These are incremental growth lines that appear on the surface of tooth enamel as a series of linear grooves. These lines can be used to assess how long the crown of the teeth formed. </span>
Answer:
Excretion helps maintain Homeostasis by excreting wastes from the body, which eliminates harmful toxins housing themselves in your body, which would increase the chance of getting an illness. ... When you exhale, carbon dioxide and some water are removed from the body by the lungs.
The food sources available for a particular species in an ecosystem. Also space where they can live and reproduce, but food is the main factor.
Answer:
C) genetic variation
Explanation:
The answer C is correct because genetic variation is the differences in DNA amongst species in a population. All these dog breeds have their distinct features because their DNA aren't all the same, like how some have big curly hair or short hair.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
