Scientific Method
Ecology
Cells
Transport
Classification
100
define an independent variable.
something you change in an experiment
100
What is Ecology?
Study of organisms, their environment, and how they interact with each other.
100
All ____ things are composed of cells.
living
100
what are the different transports?
diffusion, osmosis, passive transport, active transport,
100
what is classification?
the arrangement of organisms into orderly groups based on similarity's
200
A good or "valid"________will only have One variable that is being measured.
Experiment
200
what is chemosynthesis?
a process certain organisms use to produce energy
200
What are lysosomes?
small vessel that is used to digest particles and clean cells
200
what is the sodium-potassium pump?
Creates a membrane potential 3 Na+pumped in for every 2 K+pumped-out
200
Define morphology?
looking at body structure and the function of the structure
300
During labs you need...
to wear goggles, tie long hair back, roll up loose sleeves, know where teacher is, and where all emergency equipment is
300
describe the predator-prey curve.
the prey goes up then the predators do then the prey goes down then the predators do.
300
Name all the organelles in an animal cell.
cytoplasm, membrane, nucleus, mitochondria, ribosomes, endoplasmic rectilum, Golgi bodies, lysosomes, vacuole
300
which way does diffusion across a membrane move?
low to high
300
what does the phylogenetic tree show?
how organisms are related based on shared, derived, characteristics, or scales
400
Sally is doing an experiment on how butterfly's react to light. she has 3 groups of butterfly's. the first group is exposed to 10 seconds of light. the second group is exposed to 20 seconds of light. the third group was exposed to no light. the results showed that the first group moved more quickly toward the light while the second group did not move as quickly. what is the independent and dependent variable?
independent: the amount of time the light was shown dependent: the quickness they moved toward the light
400
what do density-dependent factors do?
they regulate populations according to the population density
400
What organelles are not in animals cell but in plant cells?
cell wall and chloroplasts
400
what is facilitated diffusion?
molecules will randomly move through pores in channel proteins
400
what is the order of classification system?
domain, kingdom, phylum, class, order, family, genus, and species
500
What is the steps of the scientific method?
observation,hypothesis, purpose, materials, procedure, data/results, and conclusion
500
how do you calculate population growth?
birthrate-death rate=growth rate
500
Define the cell membrane
lipid bilayer and lets things in and out.
500
does simple diffusion require energy?
NO
500
what is a dichotomous key used for?
to identify organisms
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