Which of the following best describes the process of natural selection? a. In a given environment, specific versions of heritable traits help individuals survive better and reproduce more than other versions of those traits.
Ob. Species are related by common ancestry.
Oc. Characteristics can be directly transferred between species.
Od. Only related species show similar characteristics.

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

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

Blank is a rock with a find dark texture that makes up the oceanic crust