Biochemistry and Energy
Lab Design
Homeostasis & Transport
Natural Selection and Mechanisms
Phylogeny and Evolutionary Evidence
100
What do you call two or more atoms bonded together?
A molecule
100
Which variable is changed by the experimenter, for the purpose of the experiment, the IV or the DV?
The IV
100
The body’s regulation of temperature is an example of
Positive feedback
Negative feedback
Negative Feedback
100
What is the ultimate source of all genetic variation?
A mutation
100
List 4 types of evidence for evolution.
Fossils, homologous structures, analogous structures, comparing proteins or DNA, embryological comparisons, vestigial organs
200
Name 2 reactants of cellular respiration
Glucose and Oxygen
200
Which axis does the dependent variable go on?
Y Axis
200
What structure makes up most of the cell membrane?
Phospholipid
200
What does "fitness" mean as its related to Natural Selection?
Reproductive Success
200
The presence of leg bones in snakes is an example of ___________________
Vestigial Structure/Organ
300
Which product of cell respiration is a gas that you breathe out?
Carbon Dioxide
300
What is the independent and dependent variable
for the following graph?
IV: Weeks
DV: Growth in cm
300
Oxygen gas diffuses from the lungs into the bloodstream.
Therefore there must be _____________ (more or less) oxygen in the bloodstream.
LESS
300
Which evolutionary mechanism is based on adaptation?
Natural selection
300
Which animal is most closely related
to the red fox?
European Red Squirrel
400
List 3 organs and one organ system that are essential to get glucose to your muscle cells.
Digestive System
* Stomach
* Small Intestine
* Large Intestine
400
Name 3 factors to keep constant if you are testing how jumping jacks affect heart rate.
Person/Subject
Number of Jumping jacks
Environment of exercise
400
Which picture below demonstrates
what would happen if red blood cells
were place in a salty environment?
The shriveled cells
400
What are the names of the 2 types of genetic drift?
Do they increase or decrease genetic diversity?
Bottleneck and Founder Effect
Both decrease diversity
400
What is one trait shared by the fox and squirrel, but none of the other animals?
Long Tail
500
Which energy molecule is produced in cells when glucose and oxygen go through the process of cell respiration?
ATP
500
Use the following equation to predict
plant growth at 8 weeks.
y = 3 x + 0
24 centimeters
500
A beaker is filled with a 20% salt solution. Dialysis tubing is filled with a 20% sugar solution. *Only salt and water can cross the dialysis membrane.
Which way will salt move, if at all?
Which way will sugar move, if at all?
Which way will water move, if at all?
Salt moves in, sugar doesn’t move, and water moves in
500
Some humans have become immune to HIV, a virus that can be lethal. People with HIV immunity can pass on the mutation to their offspring.
What is the selective pressure?
What type of evolutionary mechanism is this?
1. HIV
2. Natural Selection
500
Explain why gene flow increases diversity in a population and the founder effect decreases diversity.
Gene flow introduces new genes from other populations
Founder effect because it occurs when a new population is established by a small group of individuals from a larger population