3. Four levels and six different groups of organisms are described in the
popup windows. What kinds of behaviors and interactions among the organisms of this habitat can you observe in the animated snapshot of the reef environment?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene