Question | Answer |
cell | smallest unit that can perform all life proceses |
stimulus | anything that causes reaction or change in organism |
homeostasis | maintanenece of consistant enternal state |
sexual reproduction | reproduction with sex cells from 2 parents and traits from both passed on |
assexual reproductuon | 1 parent with no sex cells producing identical offspring |
heredity | passing of genetic traits form parents to offspring |
metabolism | sum of all chemical processes that occur in an organism |
producer | organism that can make its own food |
consumer | organism that eats other organisms or organic matter |
decomposer | gets energy by breaking down dead organisms or waste and obsorbing nutrients |
protein | molecule made uyp of amino acids and needed to build and repair body structures and regulate processes in the body |
carbohydrate | class of energy giving nutrients include sugars, starches, fiber and contains carbon, hydrogen, and oxygen |
lipid | biochemical, doesnt dissolve in water |
phospholipid | contains phosphorus; structural component in cell membranes |
ATP | molecule acts as main energy source for cell processes |
nucleic acid | molecule made up of subunits called nucleotides |
what are the 6 characteristics of living | 1:made of cells, 2: sense respond to change, 3: they reproduce, 4: they have DNA, 5: they use energy 6: they grow and develop |
what are the 4 needs of every organism | food, water, air, shelter |
about how long can humans survive without water | about 3 days |
air is a mixture of gases including | oxygen and carbon dioxide |
what is a chemical process when most living things use oxygen | releasing energy from food |
plants need carbon dioxide and | oxygen |
how do plants convert sunlight into energy | photosynthesis |
how does the limited amount of space on earth affect organisms | make organisms compete for what they need |
what are 2 things food gives organisms | energy and raw materials needs to carry on life processes |
what are 2 ways organisms use nutrients from food | replace cells and build body parts |
what eats living organisms or organic matter | consumers |
what group are plants in | producers |
what are compounds made up of proteins | amino acids |
what are proteins that speed up chemical reactions | enzymes |
a nutrient involved in almost all ife processes | protein |
how do cells use carbohydrates | as a source of energy and energy storage |
what do plants use to make glucose? | photosenthysis |
how do animals break down food using oxygren | cellular respiration |
the process in which particles move through a membrane from a low to high concentration | active transport |
what cells form a cell plate in the cell cycle | plant cell |
why is osmosis important to cells | cells are filled with fluid thats mostly water |
when water diffuses ina nd out of cells it is called | osmosis |
fermentation occurs when a cell cant get | oxygen |
when does a recessive trait show up | in the second generation |
when a plant is able to self pollinate | when a plant has both male and female reproductive system |
materials have to pass through what to get in and out of an organisms cell | cell membrane |
when a human feels hungry its becasue they need | energy |
what type of cell contains more DNA | eukaryotic cells |
what is the ratio for dominant to recessive traits | 3 to 1 |
2 forms of a gene, 1 from each parent, are called | alleles |
what are punnent squares used for | to organize possible offspring combination |
what is a plant with either 2 recessive or 2 dominant traits | homozygous |
what is genetic makeup formed from both inherited alleles together | genotype |
what is the process of chromosome separation | mitosis |