Across
- 2. engineering-The science of altering and cloning genes to produce a new trait in an organism or to make a biological substance
- 7. The act of generating or begetting; procreation, as of animals.
- 8. Genes are segments of DNA located on chromosomes that contain the instructions for protein production.
- 9. pandemic is the global outbreak of a disease.
- 10. substance that produces useful energy when it undergoes a chemical or nuclear reaction
Down
- 1. usually composed of dead or weakened viruses that help the body to develop active immunity against a
- 2. are haploid reproductive cells in sexually reproducing organisms that fuse with one another during fertilization.
- 3. evidence in rock of the presence of a plant or an animal from an earlier geological period.
- 4. general term used to denote a group of eukaryotic protists,
- 5. web-a community of organisms where there are several interrelated food chains.
- 6. The genotype of an organism is the chemical composition of its DNA
- 8. exchange-as exchange is the process by which oxygen is transferred from the atmosphere to bodily tissues for use in metabolism