| A | B |
|---|
| Budding | simplest form of asexual reproduction |
| Cancers are characterized by | uncontrolled growth and spread of abnormal cells |
| Cathode | a negatively charged electrode |
| Abiotic component | the nonliving components of the biosphere |
| Absolute age can be determined | by measuring the decay of radio-active isotopes |
| Corrosive to metals and taste sour | acids |
| Occurs after the mainshock | aftershock |
| Alkal metals are lithium, sodium | potassium, rubidium, cesium and francium |
| Allele | variant forms of the same gene |
| An alpha particle is made up of | 2 protons and 2 neutrons |
| An ammeter measures | electric current |
| Ammonites are hard shelled | squid-like marine animals |
| Ammonites existed from the Paleozoic | to the end of the Cretacous era |
| At the end of the Cretaceous era | Ammonites became extinct |
| Amniocentesis is a test for | genetic disorders or choromosomal abnormality |
| 1775-1836 | Andre Marie Ampere |
| Anaphase - the duplicated centromeres | of each pair of chromatids separate |
| Anode | a positively charged battery terminal |
| Atomic mass is the number of | protons and neutrons in the nucleus |
| A base is a substance that | can accept protons |
| Beta decay is a | radioactive process |
| Depth of field | zone of acceptable sharpness |
| Diffusion | molecules intermingle due to kinetic energy |
| Dikes are bodies of magma that | cut across the layering of adjacent rocks |
| DNA and proteins are the key | molecules of the cell nucleus |
| Double Replacement | the cations and the anions switch places |
| cations | positively charged ions |
| anions | negatively charged ions |
| Alfred Wegener | continental drift |
| The Ring of Fire | circles the Pacific Basin |
| Elastic stress is suddenly released | during an earthquake |
| STD | sexually transmitted diseases |
| Plural of bacterium | bacteria |
| Abiotic entities have to do | with non-living things |
| Chlorophyll | essential for photosynthesis |
