2. Celulele stratului cornos al epidermei sunt impregnate cu , iar celulele stratului generator conțin 3. Pentru a ajunge la tunica internă a globului ocular, care se numește, lumina străbate în ordine următoarele medii: , , și

4. Vibrațiile aerului sunt captate de și conduse, prin la unde sunt transformate în vibrații, ce vor fi preluate de , transmise către membrana ferestrei ovale, apoi prin mișcarea perilimfei și a ajung la receptorii auditivi din
urgen dau coroana

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow