Daniel has learned that the highest level of organization is the biosphere; it encompasses all other levels. Which of the following is NOT true regarding the hierarchical organization of organisms?

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water