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Ch. 3 The Biosphere
Biology
52
Biology
9th Grade
01/17/2010

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Cards

Term
Basic unit of life
Definition
cells
Term
unicellular
Definition
one cell
Term
multicellular
Definition
many cells
Term
acellular
Definition
no cells
Term
asexual reproduction
Definition

production of offspring with out sexes

 

ex.) Mitosis

Term
sexual reproduction
Definition

production of offspring with the sexes

 

ex.) meiosis = sperm + egg cells

Term
producers
Definition

make their own food

 

autotrophs

Term
photosynthesis
Definition

the use of light to make food

 

-chlorophyll traps the sunlight 

Term
chemosynthetic
Definition
the use of chemicals to get food
Term
three types of heterotrophs/consumers
Definition

  1. carnivore 
  2. omnivore
  3. herbivore

Term
carnivore
Definition
meat eater
Term
omnivore
Definition
both meat and plant eater
Term
herbivore
Definition
plant eater
Term
scavengers
Definition
eat dead things
Term
decomposers
Definition

decomposes plants and animals

 

ex.) magots

Term
saprophytes
Definition

microbes causing decay

 

ex.) bacteria and fungi

Term
energy
Definition
ability to do work and cause motion
Term
one glucose = how many ATPs?
Definition
36
Term
Formula for animal respiration
Definition
C6H12O6 + 6O2 + 36ADP +36-P -> 6H2O + 6CO2 + 36ATP
Term
growth
Definition
adding mass (cells)
Term
development
Definition

stages leading to a final mature fomr

 

ex.) infant -> toddler -> child -> teenager -> adult

Term
What determines the rate at which something grows?
Definition
genes and environment
Term
maintenance
Definition
keep homeostatsis
Term
homeostasis
Definition
internal balance
Term
repair
Definition
replace lost cells
Term
metabolism
Definition
sum of all chemical reactions within the body 
Term
anabolism
Definition
taking small molecules and making them bigger
Term
catabolism
Definition
breaking down larger molecules to smaller 
Term
adaptation
Definition
feature already in possession which promotes survival
Term
organization of an organism
Definition

  1. cells
  2. tissues
  3. organs
  4. organ system
  5. organism

Term
DNA stands for
Definition
deoxyribonucleic acid
Term
calorie
Definition
unit of heat energy
Term
food chain
Definition
a series of steps in which organisms transfer energy by eating and being eaten
Term
food web
Definition
a link of all food chains in an ecosystem
Term
trophic level
Definition
each step in a food chain or food web
Term
first trophic level
Definition
producers
Term
second, third, or higher trophic levels
Definition
consumers
Term
what percent of energy is available at each trophic level, based on the previous trophic level?
Definition
10%
Term
biomass
Definition
total amount of living tissue within a given trophic level
Term
ecology
Definition
study of how organisms interact with one another in their environment
Term
PH scale
Definition

*goes from 0 - 14

*0 is highly acidic

*7 is neutral 

*14 is a very strong base

 

Term
STUDY CARBON, WATER, AND NITROGEN CYCLES!!!!!!!
Definition
***STUDY CARBON, WATER, AND NITROGEN CYCLES!!!!!!!!!***
Term
what are the characteristics of living things?
Definition

 

  1. cells
  2. reproduce
  3. food requirement
  4. energy
  5. growth and development
  6. maintenance and repair
  7. adaptation
  8. organization
  9. genetic code

 

Term
evaporation
Definition
water changing from a liquid form to a gas
Term
transpiration
Definition
water evaporates from leaves and plants and enters the atmosphere
Term
condensation
Definition
water vapor condenses into tiny droplets that form clouds
Term
percipitation
Definition
when the water droplets that make up clouds become large enough to fall to Earth's surface as rain
Term
realeasing of N2 back into the atmosphere
Definition
denitrofication by bacteria
Term
ammonia
Definition
NH3
Term
Nitrogen
Definition
N2
Term
examples of nitrogen fixtures
Definition
bacteria and blue-green algae
Term
Nitrates
Definition
NO3
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