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Mrs. Buchanan Exam2

Mrs. Buchanan - Semester 2 Exam

QuestionAnswer
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
Created by: mrs.buchanan