Answer:
both of the models have enzymes that bind and the binding is covalent
Explanation:
<span>At the base of Arthropoda.</span>
After the Cretaceous–Paleogene extinction event wiped out the non-avian dinosaurs (birds being the only surviving dinosaurs) and several mammalian groups, placental and marsupial mammals diversified into many new forms and ecological niches throughout the Paleogene and Neogene, by the end of which all modern orders had appeared.
Answer:
b
Explanation:
nitrogen will slowly go down due to not having enough organic matter
