Ib biology glossary

3. a group of organisms that can interbreed and produce fertile offspring.
7. the alleles of an organism
9. A group of two or more atoms held together by covalent bonds.
10. an organism that synthesizes its organic molecules from simple inorganic substance
12. the whole of the genetic information of an organism
13. A single cell that carries out all the functions of life
14. The building up of complex molecules from smaller ones
15. unspecialized cells that can give rise to a wide range of body cells by differentiating along different pathways.
16. a group of populations living and interacting with each other in an area
17. The particular position on homologous chromosomes of a gene
19. process where plants make carbohydrate using sunlight, energy, CO2, water and chlorophyll.
20. chemical reactions within the organisms

1. a group of organisms of the same species who live in the same are at the same time
2. The breaking down of complex molecules in the biochemistry of cells.
4. Production of offspring, either sexually or asexually
5. A single particle of an element, consisting of a positively charged nucleus surrounded by a cloud of negatively charged electrons.
6. a heritable factor that controls a specific characteristic
8. an organism that obtains organic molecules from other organisms
11. the characteristics of an organism
18. a type of cell division to produce two genetically identical cells.