Natural selection is species survival and reproduction due to differences in some traits that give them an advantage over others
In 1993, canada signed the north american free trade agreement because it wanted to: b. make trade with the U.S. easier. one of the agreement on NAFTA is to eliminate barriers (which is could make the country to develop their economy and industrial) to trade in goods and services between canada and the U.S.
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Answer:
Answer
Explanation:
All living things are composed of cells.
Cells are the basic units of structure and function for living things.
All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.
Answer:
Carbon dioxide, excess water produced during respiration and nitrogenous compounds produced during protein metabolism are the major excretory products in plants. Plants produce two gaseous waste products i.e. oxygen during photosynthesis and carbon dioxide during respiration.