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EOCT PREP. 1) In an ecosystem, some plants may convert atmospheric nitrogen gas into ammonia through a process called __________ ____________. A)denitrification B)nitrogenous mutation C)transformation D)nitrogen fixation. ANSWER. D. Nitrogen Fixation. EOCT PREP.
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EOCT PREP • 1) In an ecosystem, some plants may convert atmospheric nitrogen gas into ammonia through a process called __________ ____________. • A)denitrification • B)nitrogenous mutation • C)transformation • D)nitrogen fixation
ANSWER • D. Nitrogen Fixation
EOCT PREP • 2) Producers break down sugar and create energy in the process of __________________. • A)diffusion • B)photosynthesis • C)cell respiration • D)chemosynthesis
ANSWER • C. Cellular Respiration
EOCT PREP • 3) You have been collecting data to determine the average monthly temperature for a particular year. You have 30 samples recorded in degrees Celsius each month. You want to show temperature trends over the entire year. What would be the best way to represent your data to illustrate the average temperature for each month? • A)In a descriptive paragraph • B)In a data table • C)On a calendar • D)on a bar graph
ANSWER • D. Bar Graph
EOCT PREP 4) The organism in the photograph shares many characteristics with humans. Which of the following is a common or shared feature? • A)respiration through the skin • B)respiration through lungs • C)complete digestive system with a crop and gizzard • D)closed circulatory system
ANSWER • D. Closed Circulatory System
EOCT PREP • 5) _________ _________ are responsible for the transport of substances down a concentration gradient during facilitated diffusion. • A)Carrier proteins • B)Ionic pumps • C)Ion channels • D)Protein receptors
ANSWER • C. Ion Channels
EOCT PREP • 6) The graph shows the changes in population of black bears in rural Michigan in a single year. Complete depletion of food supply for black bears most likely occured during the month of: • A)May. • B)July. • C)September. • D)April.
ANSWER • D. April
EOCT PREP • 7) Changes in the DNA sequence, or mutations, drive ___________ ____________. • A)dreamination events • B)evolutionary change • C)amino acid coding • D)environmental interaction
ANSWER • B. Evolutionary Change
EOCT PREP • 8) The process of DNA replication occurs just before______________. • A)cytokinesis • B)nucleosynthesis • C)cell division • D)replication
ANSWER • C. Cell Division
EOCT PREP • 9) A _________________ is the largest natural population of organisms that can interbreed to produce fertile offspring. • A)Class • B)Genus • C)Family • D)Species
ANSWER • D. Species
EOCT PREP • 10) Which of the following organisms does not depend upon the successful growth of kelp beds in a marine environment? • A)Sea otters • B)Crustaceans • C)Young fish • D)Frogs
ANSWER • D. Frogs
EOCT PREP • 11) Ecological pyramids can be based on the numbers of individual organisms at each ________ level. • A)consumable • B)biomass • C)resource • D)trophic
ANSWER • D. Trophic Level
EOCT PREP • 12) Letter D is the part of the cell that makes proteins. What is letter D? • A)chromosones • B)golgi apparatus • C)chloroplast • D)ribosomes
ANSWER • D. Ribosomes
EOCT PREP • 13) Which of the following is a vertebrate? • A)squid • B)beaver • C)snail • D)crab
ANSWER • B. Beaver
EOCT PREP • 14) Lichens are symbiotic relationships between algae and ___________. • A)protists. • B)fungi. • C)microscopic animals. • D)diatoms.
ANSWER • B. Fungi
EOCT PREP • 15) In a prokaryotic cell, most ribosomes are: • A)attached to the ER. • B)floating freely in the cytoplasm. • C)in the nucleus. • D)attached to the nucleus.
ANSWER • B. Floating freely in the Cytoplasm.
EOCT PREP • 16) ____________________ helps explain why there are a large number of marsupial mammal species in Australia and South America, continents that were once connected. • A)Ozone production • B)The fifth mass extinction • C)The first mass extinction • D)Continental drift
ANSWER • D. Continental Drift
EOCT PREP • 17) If a student notices that frogs are all gathering at one end of the pond the student has done what? • A)experimented • B)hypothesized • C)collected data • D)observed
ANSWER • D. Observed
EOCT PREP • 18) The first step in the scientific method is to _____________________. • A)gather information • B)state the problem • C)form a hypothesis • D)state the conclusion
ANSWER • B. State the Problem
EOCT PREP • 19) In the Punnett shown, two plants that are alike genetically were crossed. The predicted ratios of offspring can be found in the four boxes. How many of the offspring in the boxes will look like the parents? • A)one • B)four • C)three • D)two
ANSWER • C.Three
EOCT PREP • 20) The portion of the membrane system in eukaryotic cells that is responsible for the making lipids and breaking down toxic substances is the _______ _______. • A)rough ER • B)smooth ER • C)ribosomal ER • D)semi-permeable ER
ANSWER • A. Rough ER
EOCT PREP • 21) Most of the ATP made during cellular respiration is produced in: • A)ribosomes • B)mitochondria • C)the Krebs cycle • D)glycolysis
ANSWER • B. Mitochondria
EOCT PREP • 22) Which of the following is a carbohydrate? • A)Saturated fat • B)Salt • C)Protein • D)Starch
ANSWER • D. Starch
EOCT PREP • 23) ___________ are the oldest organisms and are divided into two groups, the acheabacteria and the eubacteria. • A)Viruses • B)Prokaryotes • C)Eukaryotes • D)Algae
ANSWER • B. Prokaryotes
EOCT PREP • 24) What is the correct scientific name for Organism 1 in the picture? • A)Orange-barred sulphur • B)Insecta Lepidoptera Peridae Phoebis • C)Peridae Phoebis • D)Not enough information given
ANSWER • D. Not enough information given.
EOCT PREP • 25) How many variables should be manipulated in an experiment? • A)one • B)two • C)three • D)it does not matter
ANSWER • A)one