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Sceince Finals
Spring 2010 Semester Exam
35
Other
8th Grade
06/03/2010

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Term
Any group of parts that work together as a unit is a?
Definition
System
Term
List and define the levels of organization in a complex living in order from simplest to most complex?
Definition
Cells,Tissue,Organs,Organ System
Term
Which substance, needed by the body's cells, enter the body through the lungs?
Definition
Oxygen
Term
The respiratory system function with the help of a muscle called?
Definition
Diaphragm
Term
Name the organs systems which help the body break down and use food?
Definition
Digestive, Muscular, Cardiovascular
Term
When your body is in a state of______,it is stable?
Definition
Equilbruim
Term
______ IS The process that keeps a body's internal environment stable in spite of changes in the external environment?
Definition
Homeosatsis
Term
Low levels of glucose in the blood stopping insulin production is an example of?
Definition
Negative Feedback
Term
Water enter and ;eaves cells through the process of?
Definition
Osmosis
Term
The pressure of water against a plant's cell wall is?
Definition
Turgor Pressure
Term
What is used by scientist to infer evolutionary relationships?
Definition
From the evidence & info darwin collected
Term
An ______ is any trait that helps an organism survive and reproduce?
Definition
Adation
Term
Name the main way by which species form ?
Definition
Geographic Isolation
Term
Is a group of similar organisms that can mate and produce fertile offspring?
Definition
Species
Term
A diagram that shows how diffrent groups of organism are related is called?
Definition
branching Tree
Term
The Process by which individuals that are better adapted to their environment are more likely yo survive and reproduce is called?
Definition
Natural Selection
Term
The author of THE ORGIN OF SPECIES was?
Definition
Charles Darwin
Term
When no member of a species remains alive, the species is?
Definition
Extinct
Term
the behavior and physical characteristics of species that allow them to live successfully in their envirment are??
Definition
Adaption
Term
Individual with characteristic suited to thier tend to _____ and _____
Definition
Survive and Reproduce
Term
____is the struggle between organisms to survive in a habit with limited resources
Definition
Competition
Term
Two species can survive in the same area and eat similar food if they do not share the?
Definition
Nione
Term
An interaction in which one organism hunts and kill another for food is called?
Definition
Predation
Term
Mutualsim,Commensalism, and parasitism are the three types of?
Definition
Symbiosis
Term
A hawk building its nest on an arm of a saguaro cactus is an example of?`
Definition
Commensaytm
Term
An Example of a predator adaptation is a?
Definition
Cheetah's direct speed
Term
A close relationship between two organisms in which at least one benefits?
Definition
Sysmbiosis
Term
Darwin's theory of evolution is considered a?
Definition
Scientific Theory
Term
A dog is harmed by losing blood to a tick but the tick gets food. this is an example of?
Definition
Predation
Term
Ladybugs live on plants, eating the aphids and benefiting by getitng food while the plant benifts by being rid of the aphids. this is an example of?
Definition
Mutualism
Term
Who is considered to be the father of genetics?
Definition
mendel
Term
What is the difference between a dominate and recessive trait?
Definition
Dominate trait: An allele whose trait always show up when the allele is present. Recessive trait:
A dominant allele shows.
Term
The theory that genes are carried from parents to offsprings on chromosomes is called th _____ theory of inheritance?
Definition
Chromosone
Term
An organism's physical appearance is its _________?
Definition
phenotype
Term
When sex cells combine to produce offspring, each sex cells contributes____ the normal number of chromosome.
Definition
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