crossword puzzle

2. Red fluid in the body that, carries oxygen and important substance
6. Genetics is the study of genes and inheritance in living organisms.
8. 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. vitamin Is an organic compound and substance, which means that it contains carbon.
11. Making a copy, a likeness, and thereby providing for the continued existence of species.
12. It is a waxy substance made in the liver, found in the blood and cells

1. A group of signs and symptoms that occur together and characterize a particular abnormality or condition.
3. 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.
4. the order in which subunits appear in a chain, such as nucleotide bases in a DNA or RNA molecule
5. : study of living things and their vital processes.
6. the increases in cell size and number that take place during the life history of an organism.
7. A vaccine is defined as a biological preparation formulated to provide acquired immunity for a particular disease.
9. A protein is a basic structure that is found in all of life. It’s a molecule. And it’s made up of smaller components, called amino acids.
10. : A nucleus is a membrane-bound organelle that contains the cell's chromosomes.
12. it's the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.