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Mrs. Buchanan - Semester 2 Exam

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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A scientific explanation of how or why something occurs in the natural world   theory  
A scientific description of the behavior of something in the natural world   scientific  
The body of information needed to develop a theory   empirical evidence  
Convert 300g to kg   .3kg  
convert 5000mL to L   5L  
Layer of the Earth that is hottest and most dense   inner core  
Layer of the Earth that is a hot metal liquid   outer core  
Outermost layer of the Earth, like the skin of an apple   crust  
The layers that make up the lithosphere are   crust and outer mantle  
Which is thinner, continental or oceanic crust?   oceanic  
Which is less dense, continental or oceanic crust?   continental  
Which property of Earth results from movement of molten metal in the outer core?   magnetism  
In which direction do liquid and gas molecules go as the heat up?   they move upward  
What happens to the density of molecules when they cool down?   increase  
Which process powers the movement of tectonic plates?   convection  
Which type of plate boundary results in mid ocean ridges?   divergent  
Which type of plate boundary results in earthquakes?   transform  
Which type of boundary results in mountain building?   convergent  
A divergent boundary is also known as what type of zone?   rifting  
At a subduction zone, which plate will subduct?   the more dense one  
What evidence did Wegener have to support the theory of continental drift   fossil distribution, climate change, puzzle pieces, rock layers  
What evidence supports the theory of seafloor spreading?   alternating magnetism in rocks, age of rocks, pillow rocks  
Which type of rock is classified based on mineral size?   sedimentary  
Which type of rock is classified based on pattern?   metamorphic  
Which type of rock is classified based on where it is formed?   igneous  
Which type of igneous rock forms inside the earth?   intrusive igneous  
Which type metamorphic rock has parallel bands?   foliated  
Which type of sedimentary rock is formed from the remains of once living organisms?   organic  
Which type of rock is formed by the process of lithification?   sedimentary  
Which process causes any rock type to turn into magma?   melting  
Which process causes any rock type to turn into sediment?   weathering and erosion  
Which process compacts and cements sediment into rock?   lithificaiton  
Name the principle that describes the relative ages of rocks   Principle of Superposition  
According to the principle that describes the relative ages of rocks, where is the oldes rock located   in the lowest layer  
What does absolute age of a rock measure?   number of years since formation  
What does relative age of a rock measure?   age compared only to other rocks  
Different forms of an atom are called _____________   isotopes  
Define ½ life   number of years it takes for one half of the parent isotope to decay into daughter material  
Scientists study the molecular properties of a rock to determine the ___________ age   absolute  
Sequence the stages of mitosis   prophase, metaphase, anaphase, telophase  
Different forms of a gene are called   alleles  
A capital letter represents a ___________ allele   dominant  
A lower case letter represents a _________________ allele   recessive  
WW is which kind of genotype?   homozygous dominant  
ww is which kind of genotype?   homozygous recessive  
Tt is which kind of genotype?   heterozygous  
A person has a widow's peak, what are the possible genotypes?   WW or Ww  
The sex chromosomes for males are   XY  
The sex chromosomes for females are   XX  
The genotypic ratio for the offspring of two parents who are both heterozygous for a trait is   1 homozygous dominant:2heterozygous:1 homozygous recessive  
How many cells result from mitosis?   2  
How many cells result from meiosis   4  
What is the genotypic ratio for the offspring of two parents who are both heterozygous for a trait?   1 homozygous dominant:2heterozygous:1 homozygous recessive  
What is the phenotypic ratio for the offspring of two parents who are both heterozygous for a trait?   3 dominant:1 recessive  
How many cell divisions occur in meiosis?   2  
Mitosis results in which type of reproduction?   asexual  
Meiosis results in which type of reproductin?   sexual  
The functions of mitosis are ________________   growth, repair, replacement  
The function of meiosis is _________________   make gametes  
A normal human has _________ chromosomes in all body cells   46  
The _________________ is the basic unit of inheritance   gene  
All of an organism's genetic material   genome  
Which type of cells can develop into any other type of cell in the body   stem cells  
Name the type of biotechnology that slows down the ripening of fruit and vegetables in order to preserve them during transportation   genetically modified crops  
Name the type of biotechnology that allows parents to have their pbaby tested for the diesease, PKU   genetic screening  
Name the type of biotechnology used by scientists to create a goat that produces spider's silk in its milk   transgenic animals  
name the type of biotechnology that can be used to treat diseases   gene therapy  
name the type of biotechnolgy used to create Dolly the sheep   cloning  
The area of science that questions whether something is right or wrong   ethics  
in which type of biotechnology can viruses be used to “deliver” DNA   gene therapy  
Explain what happens to the amount of available energy as you move from primary producer to quaternary consumer   it decreases  
identify the trophic level of plants   producer  
What is the most common energy source on Earth   Sun  
Name the symbiotic relationship in which both species benefit   mutualism  
An herbivore is categorized in which trophic level?   primary consumer  
Name the symbiotic relationship in which one species benefits and the other is not effected   commensalism  
Name the symbiotic relationship in which one species benfits and the other is harmed parasitism   parasitism  
An animal that is eaten by another animal on a higher trophic level   prey  
Which type of symbiotic relationship exists when bacteria causes an infection   parasitism  
The organism that a parasite feeds on is called a   host  
Hibernation is what type of adaptation   physiological  
functions of adaptations   protection, movement, feeding, attack, to suit their habitat  
Adaptations that appear externally   structural  
Adaptations that develop as a result of an organism's interactions with its environment   behavioral  
Sharp teeth are what type of adaptation?   structural  
Being nocturnal is what type of adaptations   behavioral  
Camouflage is what type of adaptation   structural  
The scientist who developed the theory of inheritance of acquired characteristics   Lamarcke  
The scientist who developed the theory of evolution by natural selection   Darwin  
Which type of structures develop from convergent evolution   analogous  
Which type of structures develop from divergent evolution   divergent  
Where does the most recent event appear on a geologic time scale   top  
An animal that copies another more dangerous animal is using   mimicry  
An animal whose color blends in with its surroundings   concealing coloration  
An animal that looks like an object in the environment   disguise  
An animal that has a dark back and light belly uses which type of camouflage   countershading  
What does the number of differences in DNA between two species tell scientists   when the species branched from an ancestor  
How does biodiversity effect natural selection   Increased biodiversity = better chance of survival  
Scientists believe that whales evolved from what type of animal   terrestrial mammal  
What evidence do scientists have in support of whale evolution   DNA similarity,transitional fossils, embryo development  


   






 
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