Which is a biotic component? -The oxygen concentration of the water
-The temperature of the water
-The plants growing on the sides of a river
-Rocks on the bottom of a river

What are the seven economic and social goals?

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

The arrows in the illustration point to