End Of Semester Test, Biology I-2 Study Guide Questions And Correct Answers

Which product of the electron transport chain reenters the Krebs cycle? {Ans: NAD+}The diagram shows the transfer of energy. Which statement describes the condition of energy at position 2? {Ans: conversion of chemical energy to heat energy}Fungi and bacteria decompose the bodies of organisms. Here, the- The matter is recycled in the ecosystem by- {Ans: small birds, decomposers,}Categorize each relationship as mutualism or parasitism. {Ans: Mutualism- lactobacilli digesting, bees pollinating parasitism- mosquitoes sucking blood, sea-lamprey eggs}On a trip to a wildlife sanctuary, Nathan found a piece of rotting log. He took a sample from the log to examine in his laboratory. The organism he found was eukaryotic and could not photosynthesize. It also had a cell wall. What type of organism was most likely feeding on this sample? {Ans: fungus-like protist}The population of these animals can be monitored using- A method of conserving the tigers is to- {Ans: lagging designate their area as a national park}