Which is better scorpion or lizard

What causes darkening of the skin as melanin production increases

What are characteristics of minerals? select 3 choices

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants