SC.6.L.14.1 What level of organization is represented by this image?

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Which sequence correctly shows the path of carbon dioxide during repiration?