Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
BS 1 - final 2010
| Question | Answer |
|---|---|
| pH of 5 | acidic |
| neutral solution | 7 |
| ultracentrifuge separates cell components by... | density |
| what indicator, when heated, turns brick red | Benedict's solution |
| what does it test for | glucose |
| define indicator | chemical that changes color in the presence of another specific chemical, to indicate the presence |
| give 2 safety tips for heating a test tube in a beaker | wear goggles, point test tube away from everyone |
| what could you use to test for presence of starch | Lugol's iodine |
| what is a positive result | black |
| where is a graduated cylinder read | the bottom of the curve |
| part of scope that adjusts the amount of light | diaphragm |
| structure of a cell nucleus would be seen in the greatest detail by use of... | electron microscope |
| a specimen is estimated to be 0.75 mm. How many micrometers is that? | 750 |
| part of scope never used with high power objective | coarse adjustment |
| how do you move a slide to center it? | opposite direction of where you want it to move |
| what is used to focus sharply | fine adjustment knob |
| what cell part is more noticeable when plant cells lose water | cell membrane |
| how do you figure highest total magnification | multiply eyepiece x highest objective |
| put in descending order: genus, species, kingdom, phylum | kingdom, phylum, genus, species |
| two organisms are considered separate species if they... | cannot mate and produce fertile offspring |
| what is the first part of a latin scientific name | genus |
| define ecology | study of interactions of living organisms and their environment |
| correct order for using a microscope | low power, coarse adjustment, fine adjustment, high power |
| explain how to prepare a wet mount of a specimen | put specimen in drop of water on slide, drop coverslip on, stain it using paper towel method |
| why is methylene blue used | it makes organelles easier to see |
| why does ozone decomposition lead to an increase in mutations | it allows more uv rays to come through the atmosphere |
| state a hypothesis to explain holes in the ozone | cfc's |
| the second latin name in a scientific name is the... | species name |
| describe kingdom Monera | unicellular, lacks a nucleus |
| all of Earth's water, land and air is... | the biosphere |
| know how to measure in a graduated cylinder, with a ruler, and micrometers. | also know how to graph, and use a dichotomous key |
| where does independent variable go on a graph | bottom, x axis |
| what are protists | single cell with nucleus |
| interactions between abiotic and biotic factors | ecosystem |
| 3 requirements for a self-sustaining ecosystem | energy, recycling, and autotrophs |
| what type of organism can't survive at bottom of lake due to lack of light | producers |
| a wheat field lacks.... | biodiversity |
| what does biotic mean, and give an ex | living, birds |
| where does energy for a pond ecosystem originate | sun |
| name some abiotic factors | soil, water, air, sun |
| salt in the air and water of a coastal area is considered a... | limiting factor bc it limits what can live there |
| define population | members of a single species inhabiting a given area |
| which term refers to an environment only supporting a certain amount of organisms | carrying capacity |
| all the organisms that live under a rotted log make up a ... | community |
| if two species have the same niche and live in the same habitat, what will happen | competition |
| how do you recognize carrying capacity on a graph | where it levels off |
| everything about an organism is called its | niche |
| what type of ecosystem has the best chance of surviving when conditions change | one with alot of biodiversity |
| name pioneer organisms that can survive on bare rock | lichens |
| what is the order of succession | lichens - grasses - shrubs - trees |
| what is the end of succession called | climax community |
| what form is nitrogen that plants absorb from the soil | nitrates |
| describe temperate deciduous forest biome | warm summers, cold winters, trees lose leaves in the fall |
| describe cycling of respiratory and photosynthetic gases | photosynthesis gives off oxygen, which is used in respiration, which gives off carbon dioxide, which is used in photosynthesis |
| type of relationship of tapeworm on a human | parasite - host |
| name some decomposers | bacteria of decay and fungi |
| name some producers | algae, grass, trees |
| what type of symbiosis is it when one organism is helped, and the other is not affected | commensalism |
| based on what humans eat, they are classified as | consumers |
| symbiotic relationship where both are helped | mutualism |
| why are fertilizers bad for an ecosystem | they can run off into local water supplies |
| main effect of acid rain on lakes | elimination of aquatic species |
| why is increased uv radiation a problem | it is a mutagenic agent |
| why have Japanese beetles and gypsy moths become serious pests in the US | they have few natural enemies and reproduce successfully |
| what does a food web illustrate | path of energy through living parts of an ecosystem |
| describe the transfer of energy in a food chain | Sun's energy is stored in green plants and transferred to comsumers |
| using ladybugs to eat pest aphids is an ex of | biological control of insect pests |
| what is brown paper and a source of light used for? | testing for lipids |
| what is wrong: put a slice of onion on a slide, add iodine, put the slide on the stage, and rotate the nosepiece to the high power objective | no cover slip, and you never start with high power |
| how can an increase in the deer population be harmful to humans | car accidents |
| what should be written in a data table when testing the effect of pH on the early growth of bean plants | the amount of growth of the plants in different pH solutions |
| why have Japanese beetles and gypsy moths become serious pests in the US | they have few natural enemies and reproduce successfully |
| what does a food web illustrate | path of energy through living parts of an ecosystem |
| describe the transfer of energy in a food chain | Sun's energy is stored in green plants and transferred to comsumers |
| using ladybugs to eat pest aphids is an ex of | biological control of insect pests |
| what is brown paper and a source of light used for? | testing for lipids |
| what is wrong: put a slice of onion on a slide, add iodine, put the slide on the stage, and rotate the nosepiece to the high power objective | no cover slip, and you never start with high power |
| how can an increase in the deer population be harmful to humans | car accidents |
| what should be written in a data table when testing the effect of pH on the early growth of bean plants | the amount of growth of the plants in different pH solutions |
Created by:
eot
Popular Biology sets