Question | Answer |
What is the smallest unit that can perform all life processes? | A cell |
What is anything that causes a reaction or change in an organism or to any part of it? | Stimulus |
What is the maintenance of a constant internal stata in a changing enviroment called? | Homeostasis |
Two parent's sex cells unite producing an offspring in... | Sexual reproduction |
The reproduction that doesnt involve uniting of sex cells in which a parent makes a copy of itself is... | Asexual reproduction |
WHat is the passing of genetic traits form parent to offspring? | Heredity |
WHat is the sum of all chemical processes that occur in an organism called? | Metabolism |
What is an organis, that can make its own food and energy from its surroundings? | A producer |
What is an organism that eats other organisms and or organic matter? | A Consumer |
An orghanim that gets energy by breaking down remains of dead organisms to get energy and nutrients in a... | Decomposer |
A molecule made of amino acids that is neededto build and repair body structures is a... | protein |
What is a class of energy giving nutrients that includes sugars staches and fiber as well as carbon hydrogen and oxygen called? | Carbohydrates |
What is a type of bio-chemical that doesnt dissovle in water? fats steroids etc. | Lipids |
What is a lipid that contains phosphorus and is a structural component in the cell membrane? | a phospholipid |
Adenosine Triphosphat, a molecule that acts as an energy source for cell proesses is... | ATP |
What is a molecule made up of subunits called nucleotides? | Nucleic acid |
What is a phospholipid layer that covers a cell's surface called? | A cell membrane |
Small bodies found in cytoplasm that are specialized to preform specific cell functions are... | organelles |
A membrane bound organelle in eukaryotic cell that contains the cells DNA and plays roles in growth metabolism and reproduction processes is the | Nucleus |
What is an organism that consists of a single cell with no nucleus? | A Prokaryote |
What is an organism that has cells with nuclei enclosed in membranes called? | A Eukaryote |
WHat is a rigid structure that surrounds the cell membrane and provides support to the cell? | A cell wall |
A cell organelle comprised of RNA and protein which is also the site of protein synthesis is... | A Ribosome |
A system of membranes found in the cytoplasm that assists in the production, processing and transport of lipids and proteins is... | The endoplasmic reticulum |
What is a cell organelle that is surrounded by membranes and acts as the site of cellular respiration? | the mitochondrion |
What is the cell organelle that helps make and package materials to be transported to other parts of the cell? | the Golgi complex |
A small cavity or sac that contains materials in an eukaryotic cell is a... | Vesicle |
What is a cell organelle that contains digestive enzymes called? | a lysosome |
What is a group of similar cells that perform a common function? | A tissue |
What are a group of tissue that carry out a specialized function of the body? | An organ |
A group of organs that work together to perform a specific body function is an... | organ system |
What is a living thing that can carry out any life processes independantly caller? | an organism |
What is the arrangement of parts in an organism called? | The structure |
the special, normal or proper activity of an organ or part is a... | Function |
What is diffusion? | The movement of particles from regions of higher density to regions of lower density |
what is osmosis? | The diffusion of water through a semi permeable membrane |
What is passive transport? | Movement of substances across the cell membrane without the use of energy by the cell |
What is active transport? | The movement of substances across a semipermeable membrane with the use of energy |
What is exocytosis? | the process in which the cell releases a particle by enclosing it in a vesicle that moves out of the cell and fuses with the cell membrane. |
What is endocytosis? | The process by which a vesicle enclosed particle moves moves into a cell and fuses with the cell membrane |
What is photosynthesis? | Process by which plants algae and some bacteria use sunlight carbon dioxide and water to make food |
What is the process by which cells use oxygen to get energy to produce food called? | Cellular respiration |
What is the break down of food without the use of oxygen? | Fermentation |
What is the life cycle of a cell called? | The cell cycle |
What is a chromosome? | In a eukaryotic cell, one of the structures that are made of DNA and protein |
What are homologous chromosomes? | Chromosomes that have the same sequence of genes and sam structure. |
What is a process in eukaryotic cells that performs cell division creating two new nuclei called? | Mitosis |
What is the division of cytoplasm in a cell called? | cytokinesis |
What is the passing of genetic traits from parent to offspring called? | Heredity |
What is the trait observed in the first generation when parents that have different traits are bred? | The dominant trait |
What is the trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred? | the recessive trait |
What is a dichotomous key? | Aid that identifies an organism based on the answers to a series of questions |
What is the science of naming describing and classifying organisms? | Taxonomy |
What is the division of organisms into specific groups based on characteristics called? | Classification |
What are genes? | One set of instructions for an inherited trait |
What is an allele? | Alternative form of a gene that governs a characteristic such as eye color |
What is a phenotype? | An organisms apperance or other detectable characteristic |
What is a Genotype? | The entire genetic makeup of an organism |
What is probability? | The likelihood that a possible future event will occur |
What is meiosis? | Process of cell division in which chromosome number decreases to half its original amount through two divisions of the nucleus |
What is a sex chromosome? | One pair of the chromosomes that determines the sex of an individual |
What is a pedigree? | A diagram that shows the occurrence of a genets trait in several generations |
What are archaebacteria? | Kingdom made up of bacteria that live in an extreme environment |
what are eubacteria? | A kingdom that consists of all prokaryotes except archaebacteria |
What are protista? | kingdom of mostly one celled organisms that are different from plants animals and bacteria |
What are plantae? | Kingdom of complex multicellular organisms that are usually green have cell walls made of cellulose cannot move and use the suns energy for food |
What are fungi? | Kingdom of non green eukaryotic organisms that cant move, can make spores and get food by breaking down organisms |
What are animalia? | Kingdom of complex multicellular organisms that lack cell walls, can move around and respond quickly to their environment |