EOC Vocab Flashcards
Anything detected with our senses
Observation
The variable changed
Independent variable
used to make a comparison
Control group
The question that needs to be solved
Problem
Variables held the same
Constants
The variable measured
Dependent variable
Answers the question of whether the experiment supported the hypothesis
Conclusion
Information gathered (all measurements and observations)
Data
Steps followed in an experiment
Procedures
A prediction or educated guess (if -> then)
Hypothesis
The dry weight of all the organic matter in an ecosystem
Biomass
The study of how organisms fit into their environment
Ecology
A community and the physical aspects (living and nonliving)
Ecosystem
Organisms that obtain energy from organic wastes
Detritivore
Animals that are both carnivores and herbivores
Omnivores
The place where an organism lives
Habitat
The organisms in a habitat
Biotic Factors
An animal that eats primary consumer
Herbivore
A graphic organizer based on the organism’s source of energy
Trophic level
When nitrogen is changed into a usuable form
Nitrogen Fixation
A stable/mature community
Climax community
Succession where life has not lived before
Primary succession
North or south of the equator
Latitude
Average weather conditions in an area over a long period of time
Climate
Interacting populations in an area
Community
Where fresh and salt water meet
Estuary
Regular progression of species replacement
Ecological succession
Restricts the number of organisms in an ecosystem
Limiting factors
The first organisms to live in a new habitat
Pioneer species
Succession that occurs in areas where there was previous growth
Secondary succession
Impacts population growth regardless of density
Density independent factor
Study of human populations
Demographics
Maximum number of individuals an environment can support
Carrying Capacity
The number of organisms in a per unit area
Population Density
Explains how fast a population grows
Population growth raete
affected by the number of individuals in an area
Density Dependent
Restricts the number of organisms in an ecosystem
Limiting factors
Movement of individuals into a population
Immigration
The way in which individuals are spread in an area
Dispersion
Movement of individuals out of a population
Emigration
Separation of ecosystems into small pieces of land
Habitat fragmentation
Use of living organisms to help clean pollution
Bioremediation
The last member of a species dies
Extinction
Excessive use of a species with economic value
Overexploitation
Variety of life in an area
Biodiversity
Materials and organisms found in the biosphere
Natural resources
Accumulation of toxins in upper trophic levels
Biological magnification
Excessive algae growth takes the oxygen out of the water
Eutrophication
Many species become extinct at once
Mass extinction
Replaced by natural processes
Renewable resources
Ph below 7
Acid
Speeds up chemical reactions (lock & key)
Enzymes (ase)
Attraction between substances of the same kind
Cohesion
when electrons are shared
Covalent bond
Fats/oils/waxes - not soluble in water / Made of amino acids
Lipids / Proteins
Negatively charged particles in an atom / Positively charged
Electron / Proton
The smallest unit of matter
Atom
Made of amino acids
Protein
Made of one type of atom
Elements
Substances dissolving the solute
Solvent
Fluid or plasma inside of the cell
Cytoplasm
The storage compartment within (mostly plant) cells
Vacuole
Cell w/ nucleus and complex organelles
Eukaryotes
Cell organelle that makes proteins out of amino acids
Ribosomes
cell part that is made of a lipid bilayer and is selectively permeable
Cell membrane
Control center of the cell
Nucleus
The cell organelle that packages and distribute molecules in the cell
Golgi body
The part of the cell that provides shape and supports skeleton
Cytoskeleton
Cell organelle that is the powerhouse
Mitochondria
Cell organelle that contains digestive enzymes
Lysosomes
Diffusion of water
Osmosis
Movement from high to low concentration
Diffusion
Diffusion that requires a carrier protein
Facilitated
Type of transport that requires energy
Active transport
Movement into the cell by a vesicle
Endocytosis
Movement out of a cell by a vesicle
Exocytosis
Higher solute outside the cell and causes water to to leave the cell
Hypertonic
Higher solute inside the cell and causes water to enter the cell
Hypotonic
Type of transport that does not require energy
Passive transport
Solute concentration - same inside and outside the cell - little water movement
`Equilibrium
