4. Which of the following is an example of a homologous structure? ~ A sparrow wing and a finch wing.

~ A human arm and a bat wing.

~ A pinky toe.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.