Two species a cactus and a Venus fly-trap, have a water intake system that’s similar in function but not in structure. What type of structure is this

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

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian