This describes the particular place in which an organism lives.
What is habitat?
100
Gregor Mendel, the father of modern genetics, lived in a monastery in the town of Brno, now part of this country.
What is the Czech Republic?
100
This term describes the cells in the nervous system that carry action potentials.
What is a neuron?
100
This is the school where Prof. Ken Miller earned his undergraduate degree.
What is Brown University?
100
Blood leaving the left ventricle of the heart enters this large vessel.
What is the aorta?
200
This numerical term describes the loss of biomass observed as one moves up in a trophic pyramid.
What is the "Rule of Ten?"
200
When two organisms heterozygous for the same gene are crossed, this is fraction of their offspring also expected to be heterozygous.
What is one-half (1/2)?
200
These are extensions of neurons that carry impulses towards the cell body.
What are dendrites?
200
This is the school where Prof. Miller earned his Ph. D. in Biology.
What is the University of Colorado?
200
Blood leaving the right ventricle enters these vessels.
What are the pulmonary arteries?
300
When a population's size is exactly one-half of its carrying capacity, this is the expected ratio of its actual growth rate to its intrinsic growth rate.
What is one-half (or, 1:2)?
300
When two organisms heterozygous for two different genes are crossed, this is the fraction of their offspring expected to display the recessive phenotype for BOTH genes.
What one-sixteenth (1/16)?
300
The resting potential of a typical neuron is negative because of the greater permeability of this ion across its cell membrane.
What is potassium?
300
This is the school where Prof. Stein earned his Ph. D. in Neuroscience.
What is Brown University?
300
Blood enters the right atrium from this large vessel.
What is the vena cava?
400
Frederick Bates attributed mimicry in Amazonian butterflies to this cause.
What is Predation Selection?
400
Crossing over, which results in genetic recombination, occurs in this phase of the process that produces reproductive cells.
What is prophase of the first meiotic division?
400
The release of neurotransmitters at a chemical synapse is triggered by the influx of this ion into the cell.
What is calcium?
400
This is the school where Jody Hall earned her Masters Degree in Biology.
What is Harvard?
400
The release of this chemical by the sympathetic nervous system causes the heart rate to increase.
What is epinephrine?
500
The name given to these mutualistic partners of higher plants means "fungus roots" in Latin.
What are mycorrhizae?
500
This is the recombination frequency expected between two genes that are 3 Centimorgans apart.
What is 3 percent?
500
This coating around axons in the nervous system greatly increases the speed at which action potentials are propagated.
What is myelin?
500
This is the school where Prof. Stein earned his undergraduate degree in Biology.
What is St. Anselm's College?
500
The heart's own pacemaker is located in the sinoatrial node, which is part of this chamber of the heart.