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H. Biology Mid-Term Exam
Flashcards going over ecology, cells and cell functions (adding more soon)
31
Biology
10th Grade
12/15/2014

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Cards

Term
Indepedent Variable
Definition
The variable in which you can change
Term
Dependent Variable
Definition
Variable in which you are measuring
Term
Constants
Definition
Variable that stays the same
Term
Control
Definition
Variable that (is required and) can be altered
Term
Why should you do repeated trials
Definition
To ensure the results are accurate and consistent
Term
All living things are made up of_______.
Definition
cells
Term
Humans are _______ which means they are made of cells.
Definition
living organisms
Term
All living things require______, which originate from the sun.
Definition
sunlight
Term
The sum of all of the chemical reactions in the body is known as ___________.
Definition
metabolism
Term
Living things reproduce either ______, when a single organism can produce offspring without the aid of another
Definition
asexually
Term
Or ________, which requires 2 cells to unite to form a new organism
Definition
sexually
Term
Give an Abiotic Factor example
Definition
sunlight, water etc.
Term
Give a Biotic Factor example
Definition
Insect, tree, cow etc.
Term
Define Ecosystem
Definition
a biological community of interacting organisms and their physical environment.
Term
Define Population
Definition
all the inhabitants of a particular area
Term
Define Community
Definition
a group of organisms living in the same place or having a particular characteristic in common
Term
Habitat
Definition
A place where an organism lives
Term
Limiting factor
Definition
something that slows the growth of a population
Term
Carrying capacity
Definition
max number of individuals a population can support
Term
Mutualism
Definition
Both organisms benefit from each other
Term
Commensalism
Definition
One benefits from the other, other is unharmed and unaffected
Term
Parasitism
Definition
One benefits from the other, other is harmed
Term
Predation
Definition
One feeds off the other, other acts as prey
Term
Primary Succession
Definition
Colonization into an area which wasn't previously inhabited
Term
Secondary Succession
Definition
regeneration of a living community after a major disturbance
Term
Autotroph
Definition
organism that makes its own food
Term
Herbivore
Definition
A primary consumer
Term
Food web
Definition
Feeding step in a food chain
Term
Decomposer
Definition
feeds on dead or decaying matter
Term
The _____ is the ultimate source of energy in ecosystems
Definition
sun
Term
Biodiversity
Definition
variety of life in a habitat or ecosystem
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