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science mid-term!!
| Question | Answer |
|---|---|
| what are the 6 characteristics of living things? | cellular organization,chemicals of life,energy use,response to surroundings,reproduction and homeostasis |
| what did Francesco Redi disprove? | the spontaneous generation |
| what are the 4 needs of living things? | energy, water,homeostasis and living space |
| what is classification? | process of grouping based on similarities |
| who divided all living things on begavior, appearence and movement? | Aristotle |
| What are the 2 parts of binomial nomenclecture? | genus and species |
| What are the levels of classification? | kingdom,phylum,class,order,family,genus and species |
| what are the 6 kingdoms? | archaebacteria,eubacteria,protists,plants,animals and fungi |
| what does prokaryote mean? | has no nucleus |
| what does eukaryote mean? | has a nucleus |
| what are the 3 shapes of bacteria? | bacilli(rod),cocci(circular)and spirilla(spiral) |
| what does a cell wall do? | protects the cell |
| what does the cell membrane do? | decides what goes in and out |
| what does the ribosome do? | makes the protein |
| what is genetic material? | thick,tangled DNA string |
| what is a flagella? | uses to move;not all bacteria have 1 |
| what is respiration? | process of breaking down food to release energy |
| what is an endospore? | spherical structure w/ thick outer coat that enables bacteria to survive;protects DNA |
| what is another name for sexual reproduction? | conjugation |
| what is another name for asexual reproduction? | binary fisson |
| what is an animal that feeds on dead animals called? | saphropyte |
| what is an antibiotic? | a chemical that kills a bacteria and doesnt hurt the human body |
| what are the 3 kinds of protists? | Animal-like(protozoan),Plant-like, and fungi- like |
| what is a pseudupod? | a fake foot that helps the ameba move |
| how does a paramecium eat? | it uses the oral groove |
| what is a food vacoule? | food storage |
| what protects the paramecium? | the pellicle |
| how does the paramecium get rid of waste? | the anal pore |
| how does the paramcium get rid of exess water? | it uses the contractile vacoule |
| what is an example of a zooflagellate? | a giardia |
| what is an example of a sporozoan? | a plasmodium (mosquitoe) |
| are all protists eukaryotes or prokaryotes? | eukaryotes |
| if a protist has cilia what is it called? | a ciliate |
| what is the job of the macro nucleus? | controls every day tasks |
| what is the job of the micro nucleus? | helps reproduction |
| what is symbiosis? | the interaction b/w 2 species where at least 1 benefits |
| what is mutualism? | a symbiosis where both partners benefit |
| what are the 3 kinds of fungus-like protists? | water-molds, downy-mildews,and slime molds |
| what are the 6 kinds of plant-like protists? | euglenoids,dinoflagellates, green algae,red algae and brown algae |
| what is an algal bloom? | a rapid growth of a papulation of algae |
| what are the 3 traits of fungi? | they are eukaryotes, use spores to reproduce and are hetertrophs |
| how does fungi eat? | hyphae grows into food source, release chemicals that break down the food which is absorbed by the hyphae |
| what is an embryo? | young plant from a zygote |
| what are the 4 kinds of gymnosperm? | gincko, cycads, gnetophytes and conifers |
| how many petals do the monocots have?The dicots? | monocot-3s, dicot-4s/5s |
| what is the definition of species? | a group of organisms that can mate w/ each other |
| are animals unicellular or multicellular? | multicellular |
| what do animals need? | water,food and oxygen |
| what is an adaptation? | trait that helps organism to survive environment |
| what is a herbivore? | plant eating animal |
| what is a carnivore? | meat eating animal |
| what is an omnivore? | animal that eats both |
| what is a predator? | hunt and kills other animals |
| what is prey? | animal fed upon |
| what is an invertabrate? | has no backbone |
| what is a vertabrate? | has a backbone |
| what are the 3 major phyla of worms? | flat(platyhelminthes)round(nemantoda)and segmented(anellida) |
| what is an angiosperm? | seed produced in fruit or flower |
| what are the 2 kinds of vascular tissue? | phloem and xylem |
| which 2 kingdoms are only heteotrophs? | fungi and animals |
Created by:
tigerkat3
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