Half Life Problems & Microscope Math
Used to focus the image under lowest objective lens
Trait shared by all members
Derived chacarcter
What is the name of a relationship in which one animal is benefiting and the other is harmed
Parasitic
related to biochemistry & interactions w/ body
What is physical adaptations
How much energy is passed between trophic levels
What is 10%
What is the diameter of field for 4x
What is 3.4mm/3400 micro-meters
Not a single individual or link in a chain, but instead represents a population of individuals from which the fossil animal of interest descended with modification
What is common Ancestor
Type one graph survivorship
Adaptation involving body of organism
What is structural Adaptation
What is the name of a relationship in which one animal is benefiting and the other is neither harmed nor benefiting
What is commensalism
Find the total magnification:
Eyepiece = 10X
Objective lens = 55X
What is 550x
Phyletic gradualism evolution
What is continuous and constant evolution
Type 2 survivorship graph
What is a constant/steady, and proportional survivorship with constant loss
What is behavioral adaptation
Refers to the amount of the members of a certain population within an area
What is density & distribution
Equation for diameter of field
Punctuated Equilibrium evolution
What is long period of stability with short periods of rapid change/evolution
Type 3 survivorship graph
What is low survivorship at first, but ending with high survivorship
Poisonous versus venemous
What is absorbed, consumed, or inhaled versus injected (e.g. bites and stings)
34,560 mg to grams
What is 0.03456
A certain isotope has a half-life of 20 years. If Tom had 2,000,000 of these atoms in 1995, how many will he have in the year 2015? Give formula
N= og atoms (1/2) powered to half life/time elapsed
Time elapsed- 20 years
2,000,000(1/2) 20/20
2,000,000 x 0.5
1,000,000
Year humans first migrated out of Africa
What is 120,000 to 115,000 years ago
4 ways to describe population
What is geographic range, growth rate, density & distribution and age structure
What is..Genetically passed down, functional to the species for specific environmental factors, contribute to the advantage for specie
Exponetial vs logistic growth