| Question |
Answer |
| ATP | an energy source |
| abiotic | non-living chemical and physical factors in the environment |
| biosphere | all the ecosystems on Earth |
| Active transport | the process of moving particles from low to high concentration |
| Allele | 1 type of expression for a different form of a gene |
| A,G,C,T | basic building blocks for a gene |
| Carrying capacity | the number of identical species that the environment can support. |
| disease | indicates a failure in homeostasis |
| enzyme | biological catalyst that speeds up a reaction |
| guard cells | a gas exchange pore in plants |
| food chain | describes the eating relationships between species within an ecosystem |
| Hormone | chemicals released from cells that affects its target cell. |
| Nucleus | the command centre of a cell |
| Testosterone | male reproductive hormone. Produced in the testes. |
| Replication | the copying of DNA |
| Respiration | Gasous exchange in organisms. Composed of inspiration and expiration. |
| Lysosome | recycles wastes materials in the cell. |
| mitochondria | powerhouse of a cell |
| photosynthesis | a process that converts carbon dioxide into glucose |
| Zygote | a single-celled embyro |
| Electrophoresis | a process that seperates DNA molecues into fragments |
| Placenta | a tube that supplies nutrition from the mother to the developing fetus. |
Poultry
