Science Exams
Terms
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- budding
- ______is a form of asexual reproduction in which a new organsim grows off the side of the parent
- saprophyte are helpful and necessary because they decompose dead organisms
- Why are saprophytes helpful and necessary ?
- salt
- the primary limiting factor in freshwater ecosystems is the amount of _______dissolved in the water
- climax community
- A(n)_____________is the end resul;t of succession
- more , more
- ponds with lots of organic matter have _________nutrients and can support ____speceis
- sphere
- what shape is the cocci ?
- estuaries
- all are examples of grasland except :_______
- mutualistic
- two organisms that benifet from living together are said to have a ____________relationship
- 90%
- about _______percent of fish harvested in the US spend part of the year in wtlands
- aerobes
- Organisms hat use oxygen for respiration are called ___________.
- silicia
- the cell walls of diatom contain ________which is also found in glass
- spiral
- what shape is the spirille?
- pigment
- A__________is a substance tat absorbs light
- encephalitis
- ___________is an inflimation of the brain , spinal cord,and the nerves leading from the spinal cord
- Rain Forest
- In the _________________ biome , plants have adapted by growing in higher areas so they can recive more sunlight.
- Musk Ox, artic fox, bison
- What biome animals are in the Tundra?
- desert
- a_____biome recieves less that 25cm of rainfall a year and has a high rate of evaporation
- Rain Forst
- The ______________________ biome holds 50-80 percent of all species on Earth.
- trees dont grow in the tundra because they could not get their nutrients neeeded because of the permafrost . their roots could not goin the oil
- why do trees not grow in the tundra
- prokaryotes
- organism whoses cells have no membrane-bound organelles are_____________
- aerobic uses oxygen , and Anaerobic dosent need oxygen , that is how the are dfferent
- how do erobic ad anaerobic organisms differ ?
- virus
- microscopic particles made up of either a DNA are RNA core covered by a protein coat
- using comtaminated needles
- Many drug users get HIV by _______
- pasteurization
- __________is a prosses in which bacteria are killed by heating food to a high temperature
- zygote
- the black fuzz on bread is a type of _________fungus
- AZT
- the drug ________seems to slow down the AID's infection
- Savana
- Grassland located mostly in Africa
- immune
- HIV attacks the body's _________system
- Jelly Fish, Queen Angel Fish, Hammer Head Shark, Piranhas
- What biome animals are in the Marine?
- round
- zygote fungi produce spores in __________ spore cases called sporangia
- tundra
- the ________is a cold ,dry treeless biome where the sun barley rises during the six to nine winter months
- Marine
- Includes- Pacific, Indian, Artic, and Atlantic Ocean
- amoeba
- an example of a sacrodine is a(n)_______________
- the first zone is the littoral zone , it is on the sjhore , some animals that live on it are starfish , mussels and crabs. When hightide comes in the mussels close up their shells and the crabs bury themselves. the second zone is sublittoral zone ,soe naimals that live here are whales,fish , most of the sea's nutreint are here , the 3rd zone is the pelagic zone . most animals that live here go to a upper zone for fod
- Name and describe the zones in the ocena
- rainfoprest
- __________rainforest are home to more than 50 percent of the species on earth
- condensation, evaporation, precipitation
- what are the parts of the water cycle?
- Edward Jenner
- Who was the first vaccine developed by?
- anaerobic
- monerans that live in the intestines of cattle ar ______________bacteria
- nitrogen cycle
- the transfer of nitrogen from the atmosphere to plants, back to the atmosphere or directly into plants again
- LAtent virus stay in your body along time than without warning it turns into an active virus. So cold sores show that it is active.
- What causes cold sores ? Explain the process
- red
- the pigment of a dinoflagellate is ________________
- False
- True or False: Rain, snow, sleet, and hail are all forms of condensation
- 1940
- the first antibiotics were introduced in the ______
- aerobic
- organisms that use organisms for respiration are _______Organisms
- limiting factor
- _________,is a condition that determines the survival of an orgamism,population , population , or species in its enviroment
- desert plants store water int their roots .Desert animals get water from seeds . One plant that does this a cactus one animal is gecko
- what kinds of adaptation have desert plants and animals made to survive withuout water?List one of each
- algae
- plant-like protists are known as ____________
- a biome is a large geographicare that has similar climates and climax communities . The six majjor biomes are: tropical rainforest , confirouds forest , decidous forest , tundra , desert , grasslands
- define biome and list the six major biomes on earth
- sexual contact , using contaminaed needles, bodly fluids , baby's nursing from female with hiv
- what are 5 ways HIV is spread ?
- toxins
- Some pathogens produce poisons called __________
- Algae, Plankton, Sea Grass, Aloe Vera
- What biome plants are in the Marine?
- diatoms
- which plant-like protists is missing from this list ? brown algae,, red algae ,green algae , dinofllagelate , euglena
- pollutants
- Coastal wetland plants absorb many of the ________carried to the coast by rivers amd streams
- the cycle is when carbohidroxide is taken by trees or plants and oxygen is sent out . Yo breathe it in and breathe out carbon dioxide
- explain the relationship between the cycling of oxygen and cycling of carbon in the biosphere
- Giraffe
- Long legged, long necked so they can reach the top of theses trees to eat leaves.
- copy
- what is the third step of the reproducing virus ?
- DNA , RNA
- Genetic material in viruses include _________
- di , ddc and AZT
- list three medicines that can hep prolong the life of people with the HIV vrius
- sublittoral zone
- the _______is teh water above the continental shelf . The light and nutrients support a wide variety of organisms
- True
- True or False: the last step of a cycle brings the position back to the starting point
- controlled burns
- managed fires that are set periodically to control the amount of vegetation underneath the dominant forest tree species
- dinofllagetes
- A "red tide " is caused by an exploision of one-celled _____
- True
- True or False: Decomposers break down carbon compounds in dead organisms and release carbon dioxide into the air.
- biomes
- large geographc area that have similar climates and climax communities are called______________.
- capsule
- some bacteria have a thick_____________that surronds the cell wall
- tundra
- ____________ means treeless are
- hand shaking , kissing
- what are 2 ways HIV is not spread ?
- salt
- the amount of ______present is the major limiting factor in water ecosystems
- RNA or DNA
- What do all viruses either contain?
- Pear Cactus, Chia, Mohave yucca
- What biome plants are in the Desert?
- bacteria
- thousands of _____live on an in your body
- tropical rainforest
- a _______biome has hot ,wet weather throughout the year and greatest variety of organisms on earth . rainfall averages 200 to 225 cm per year
- scientests dont know how they reproduce
- why are imperfect fungi considered to be imperfect ?
- release
- what is the fourth step of a reproducing virus?
- hyphae
- the body of a fungus is usually a mass of many-celled ,threadlike tubes called_______
- climate
- ________is the average condition of te weather in an area , as determined by rainfall,temperature ,and amount of sunlight
- .005
- fresh water contiains about ______percent salt
- invade
- what is the second step of the reproducuing virus ?
- Rain Forest
- Located all along the equator
- flagellum
- some bacteria have a whip-like tail called a _________
- saprophyte
- a ______________________is any organisms that uses deasd material as a food and energy source . They digest dead organisms and rcycle nutrients so thta they are available for use for ither organism
- True
- True or False: Organisms today are using the same materials that have been used since life began.
- LOOK AT TEST
- LOOK AT CHARTS AND TABLES AND DIAGRAMS ON ALL TESTS !!!!!!!!!
- antibiotic
- A(n) _____________is a substance produced by one organisms that inhabits are kills another organism . Ex. Penicillian
- False
- True are False: Nitrogen is the only element needed by living things that is returned to the enviorment.
- Large Woody Vines, Fern, Bromelaids
- What biome plants are in the Rainforst/ Forst?
- fisson
- most bacteria reproduce by _______________
- Aquiried Immune Diffeciency Syndrome
- what does AIDS stand for ?
- littoral zone
- the__________________is the zone along the shore.It is under water during high tide and exposed during low tide
- water cycle
- the continuous movement of water in the biosphere
- the penicillan breaks down the cell walls
- why do you have to take penicillin for ten days
- Tundra
- located in the Northern Hemisphere
- False
- True or False: Animals use carbon dioxide for repiration.
- Desert
- In the ______________ biome, most of the plants have adapted by having spikes abd being able to store lots of water.
- psuedopods
- Footlike extensions of cytoplasm are called ________________
- protozoans
- animal-like protists are known as _________
- True
- True or False: Plants absorb carbon dioxide during photosynthesis
- pathogen
- A(n) ______________is any organissm that produce disase
- euglena
- _______contains a reddish eyespot which helps it locate light it needs to produce food by photosynthesis
- Desert
- Tides and sand dunes occur often in the ________ biome
- protists
- _______have a nucues and therfore are eukaryotic
- cilia
- short ,oarlike structures that extend from the cell membrane are ______
- primary succesion
- _________, is the development of new communities in newly created land areas
- temperature,light, pressure
- _______and _______________decreas as the depth of the water increases , but water _______increase with dept
- wetlands
- swamps ,bogs ,and marshes are examples of________
- Wild Flower, Pepper Mushroom
- What biome plants are in the Tundra?
- Tundra
- Permofrost is an abiotic factor of the _________________________ biome, causing the soil to be less fertile.
- AIDS
- is a group of diseases caused by DNA and HIV
- False
- True are False: condensation occurs in the atmosphere, as clouds form
- debris , like pinecones ,pine needles , dead leaves and so on pile up . If there was a real fire than the forest would burn fasr . Another reason is it helps the forest maintian its character
- what are two reasons why biologists beleive controlled forest fires are useful?
- vaccine
- is made from damaged particles that can't cause disease any more
- buzzard, Ocelet, Coati
- What biome animals are in the Desert?
- bacteria
- Antiiotics are chemicals that have a harmful effect on _______
- Attach
- What is the first step of the reproducing of viruses?
- Toucan, Spider monkey, Anacondas, Capybara, tiger
- What biome animals are in the Rain Forest?
- Desert
- Very hot and dry climate; some of the hottest temperatures
- Antartica
- the grassland biome is located in all continents exept for ____________________.
- climax community
- a community that is able to maintain a balance between abiotic anmd biotic factors and remain stable is a _______
- secondary sucsesion
- In,______ , a disturbed area gradually returns to its previous condition
- imperfect
- penicilln ,an antibiotic , is an important product of a(n)_________fungus
- golden brown
- the pigment of a diatom is ___________
- nitrogen fixation
- the roots of plants suh as peants and peas contain ______________bacterya . These bacteria change nitrogen from the air int forms useful for plants and animals
- confierous forest
- evergreen trees are teh dominant plants in a _________biome
- interferon
- a protein produced in vertibrate cells that stops viruses from infecting other cells in that animal. it "interferes" with the production of viruses
- pelagic zone
- th__________is the open ocean.Its great depths ,littlelight , and high water presssure mean less varietyamong orgasnisms
- carbon oxygen
- the continuous movement of carbon dioxide and oxygen between the surface of the earth and the air
- Australia
- The great Barrier Reef is located near __________________________.
- esturary
- the are where freshwater river or stream meets the cean is called a(n) ________.
- deciduos forest
- A_____________biome is dominated by broad-leavedtrees such as maples and hickories
- fungi
- The first antiviral drug was produced from a species of _____________
- basiduim
- the spores of Basidiomycota are produced in a club-shaped structure called a(n) ___________________
- True
- True or False: the suns energy is needed for the water cycle
- wetland
- a______________is an area of land that ,for at least part of the year ,is covered by shallow water.ther are manny different types including coastal marshes,swamps,and bogs
- funguslike
- slime molds and water molds are _________protists
- it does not have a mdication only vaciines
- what makes AIDS a difficult disease to cure ?
- parasite
- what is an something that depends on another organism are cell to live?
- cannot
- a virus _________reproduce without the host cell
- rod
- what shape is the baclliili?
- abiotic factors
- the climate of an area is determined by ______
- water table
- the ________is teh underground water supply ost humans rely upon for drinking water
- permafrost
- the soil underneath that remains permanitly frozen is called_______
- True
- True or False: Bacteria associated with plants convert nitrogen to usable nitrogen compounds.