A | B |
DNA shaped like | a Spiral Staircase |
Fermentation | Production of energy without using oxygen |
Respiration | Glucose is broken down releasing energy |
Oxygen | Product of photosynthesis that most living things need to survive |
Products of photosynthesis | Oxygen and Sugars |
Vacuoles | Organelles that store food/materials needed by cell |
Carbon | Organic compounds contain this element |
Mitochondria | Organelle that produces energy for the cell |
XY | Sex chromosomes resulting in male human |
Tt | One dominant and one recessive allelle |
Genes | Factors that control traits |
Chlorophyll | Captues energy from sunlight during photosynthesis |
Cancer begins with... | Mutation in DNA |
Insects perfectly preserved in | Amber from hardened tree sap |
Evolution | The gradual change in a species over time |
Extinct | Species that no longer have any living members |
Fossils | The preserved remains or traces of organisms thatlived in the past |
Genetic disorders caused by.. | mutations |
You feel thirsty when... | Your brain sends a signal that your body needs water, maintain homeostasis |
Tissue | A group of cells that perform a similar function |
Small Intestion | Where most of the nutrients are ABSORBED |
Calorie | Unit used to measure ENERGY |
Cardiac Muscle | Found only in the heart |
Function of skeleton | Shape & support,protects organs,produce blood cells |
Nucleus | Directs activities of the cell |
Plant cell parts ONLY | Cell wall, chloroplast, LARGE vacuole |
Sunlight or solar energy | Form of energy taken in by plant for photosynthesis |
Cell Theory | cells produced from cells,living things made of cells,basic unit of structure and function |
SPECIALIZED cells found in.. | Many-celled organisms |
Diffusion | Movement of molecules from higher to lower concentration |
Mitosis | Stage during which cell's nucleus divides into 2 nuclei |
PEDIGREES used to.. | trace inheritance of traits |
Hybrid | Organism with 2 different alleles for a trait |
Replication | Cells DNA is copied |
Most fossils form by.. | Dead organism buried in sediment |
One main way new species form | A group is separated from rest of the species(island) |
Species is group of similar organisms... | that can mate and produce offspring |
Each sex cell contributes... | 1/2 the number of chromosomes |
Genes are located... | On the chromosomes |
Selective Breeding | Crossing different parents to get desired traits in offspring |
Sexual Reproduction... | Greater variety in offspring |
Skeletal muscles work in pairs because... | Muscles can only contract |
VILLI in small intestine | Finger-like projections for absorption of nutrients |
Large Intestine | Where water is absorbed & undigested material prepared for removal |