Which of the following functions is NOT correctly matched with its description?

a. propulsion: physical breakdown of ingested food in the GI tract
b. mechanical breakdown: churning movements in the GI tracts
c. ingestion: intake of food nutrients
d. absorption: intake of chemically processed nutrients

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.