BIOLOGY CROSSWORD

5. the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
6. The process by which a species becomes fitted to its environment; it is the result of natural selections acting upon heritable variation over several generations.
8. study of living things and their vital processes.
9. A membrane-bound organelle that contains the cell's chromosomes.
11. Red fluid in the body that, carries oxygen and important substance
13. Any of the alternative forms of a gene that may occur at a given locus.
14. The study of genes and inheritance in living organisms.
15. Is the chemical reactions in the body's cells that change food into energy, the whole range of biochemical processes that occur within a living organism.
16. An organism living in, on, or with another organism in order to obtain nutrients, grow, or multiply often in a state that directly or indirectly harms the host.

1. Is an organic compound and substance, which means that it contains carbon. It is also an essential nutrient that the body may need to get from food.
2. Branch of zoology that studies the fishes.
3. Part of the metabolism that is responsible of breaking down or degrades complex molecules down into smaller ones; which are then later oxidized to release energy or used in other anabolic reactions.
4. Process by which the body utilizes the energy released by catabolism to synthesize complex molecules. These complex molecules are then utilized to form cellular structures that are formed from small and simple precursors that act as building blocks.
7. synthesis of organic compounds (as in living cells) by energy derived from inorganic.
10. A long, thin part similar to a tail, used for movement by some cells, bacteria and other very small organisms.
12. Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Constituted by neutral compounds of carbon, hydrogen and oxygen.