Which of the following is NOT a growth habit?
O Perennial
O Tree
O Shrub
O Vine

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production