8. Construct a response to the following question: Why do levels of productivity change based on location and time of year? In your explanation, be sure to include: An explanation of productivity and its relationship to photosynthesis (circle!) The inputs and outputs of photosynthesis (highlight!) How abiotic factors can influence photosynthesis (highlight!) Evidence! Use data from the GPP map and biome map on Canvas (underline! . How will this be graded? Read the rubric here. Need help writing? Try using some of these Sentence Starters here.

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons