Neurons, Synapses, Signaling
Nervous & Sensory Systems
Motor Mechanisms & Behavior
Fun Facts
Population Ecology
Ecological Communities
Ecosystems & Energy
Conservation Biology
100
This part of the neuron receives incoming signals from other cells.
What are dendrites?
100
This division of the nervous system includes the brain and spinal cord.
What is the central nervous system (CNS)?
100
This model explains how muscle fibers contract by filaments sliding past each other.
What is the sliding filament model?
100
This university is older than the Aztec Empire. (in the UK)
What is Oxford University?
100
This field studies interactions between organisms and their environment.
What is ecology?
100
This term refers to a group of interacting species in an area.
What is a community?
100
This law states that energy cannot be created or destroyed.
What is the first law of thermodynamics?
100
This field focuses on protecting biodiversity at all levels.
What is conservation biology?
200
This structure is the site where an action potential is initiated.
What is the axon hillock?
200
These cells support, nourish, and protect neurons.
What are glial cells?
200
These are the thick filaments found in muscle fibers.
What is myosin?
200
This TA was vegetarian for 5 years, but stopped to try Canes.
Who is Emi?
200
These nonliving factors, such as temperature and water, affect species distribution.
What are abiotic factors?
200
This interaction occurs when both species benefit.
What is mutualism?
200
This process describes the flow of energy in one direction through ecosystems.
What is energy flow?
200
This type of diversity refers to variation within and between populations.
What is genetic diversity?
300
These membrane proteins maintain ion gradients using energy from ATP.
What are sodium-potassium pumps?
300
This type of neuron carries signals toward the central nervous system.
What are afferent neurons?
300
This structure is the basic contractile unit of muscle.
What is a sarcomere?
300
This TA grew up ranching / farming.
Who is Brandon?
300
This describes individuals per unit area in a population.
What is population density?
300
This principle states that two species competing for the same resource cannot coexist indefinitely.
What is competitive exclusion?
300
These organisms form the first trophic level.
What are primary producers (autotrophs)?
300
This term describes a species at risk of extinction across all or much of its range.
What is an endangered species?
400
This type of potential is all-or-none and does not decrease in strength as it travels.
What is an action potential?
400
This brain region is responsible for coordination and balance.
What is the cerebellum?
400
This ion binds to troponin to allow muscle contraction to occur.
What is calcium (Ca²⁺)?
400
This planet could float in water. (in theory)
What is Saturn?
400
This growth model produces an S-shaped curve and includes carrying capacity.
What is logistic growth?
400
This describes the number of species and their relative abundance.
What is species diversity?
400
This type of organism obtains energy from nonliving organic material.
What are detritivores?
400
This type of extinction occurs in a specific geographic area only.
What is local extinction?
500
What is spatial summation?
500
What is the limbic system? What controls emotion, memory, and our reward system?
500
Explain the diagram
too much to write
500
This town became the divorce capital of the U.S.
What is Reno NV?
500
Can find oil, minerals, caribou, reindeer
What is the tundra?
500
This island has more species.
What is island #2?
500
Explain diagram
1. primary producer
2. primary consumer
3. secondary/tertiary consumers
4. detritus
5. decomposers
500
Anyone know this news article?
What are seasonal April 1 snowpack levels in California?
600
This phase of the action potential involves potassium ions leaving the neuron.
What is the falling phase (repolarization)?
600
This part of the brain regulates circadian rhythms and acts as the body’s biological clock.
What is the suprachiasmatic nucleus (SCN)?
600
This term describes a motor neuron and all the muscle fibers it controls.
What is a motor unit?
600
This TA pins insects and collects gemstones.
Who is Brandon?
600
This type of dispersion, where individuals are grouped together, found commonly in herds, is the most common.
What is clumped dispersion?
600
This type of control occurs when predators regulate populations at lower trophic levels.
What is top-down control?
600
This is the total amount of energy converted to chemical energy by producers.
What is gross primary production (GPP)?
600
These species are introduced by humans into new environments and may spread rapidly.
What are introduced (invasive) species?
700
This type of summation occurs when multiple signals arrive in rapid succession from the same neuron.
What is temporal summation?
700
This process converts sensory stimuli into electrical signals in the nervous system.
What is sensory transduction?
700
This energy source provides short bursts of energy for about 15 seconds during muscle activity.
What is creatine phosphate?
700
This country has a law where cheese must be happy.
What is Switzerland?
700
This factor limits species distribution due to interactions like predation and competition.
What are biotic factors?
700
This hypothesis states that moderate disturbance leads to highest diversity.
What is the intermediate disturbance hypothesis?
700
This equation represents energy available to consumers: GPP minus respiration.
What is net primary production (NPP)?
700
This is the greatest threat to biodiversity caused by human activity.
What is habitat loss?
800
These receptors use G-proteins and second messenger systems to produce slower, longer-lasting effects.
What are metabotropic receptors?
800
This area of the brain is responsible for speech production.
What is Broca’s area?
800
These muscle fibers contract quickly but fatigue rapidly.
What are fast-twitch glycolytic fibers?
800
This TA was the UNR mascot their freshman and sophomore year.
Who is Emi?
800
This biome is characterized by low precipitation and organisms adapted for water conservation.
What is a desert biome?
800
This type of succession occurs after a disturbance but with existing soil.
What is secondary succession?
800
This law states that energy transformations increase entropy and lose heat.
What is the second law of thermodynamics?
800
These are natural processes like pollination and water purification that benefit humans.
What are ecosystem services?
900
This mechanism allows action potentials to “jump” between nodes, increasing conduction speed in myelinated axons.
What is saltatory conduction?
900
These receptors detect vibration, movement, and body position.
What are mechanoreceptors?
900
This principle explains why larger animals require disproportionately thicker limbs for support.
What is the scaling principle (strength ∝ area² vs. weight ∝ volume³)?
900
This sea animal has three hearts.
What is an octopus?
900
This growth model assumes unlimited resources and results in a J-shaped curve.
What is exponential growth?
900
This type of species has a disproportionately large impact on its environment despite low abundance.
What is a keystone species?
900
This measure represents total biomass accumulation of producers and consumers over time.
What is net ecosystem production (NEP)?
900
These are the four major threats to biodiversity caused by humans.
What are habitat loss, introduced species, overharvesting, and global change?