Population Ecology
What is the name of the maximum number of individuals a population can support?
carrying capacity
Draw a growth curve of a population with unlimited resources, and title it with the type of growth this is referred to as.
Exponential growth - J curve
List two organs found in the thoracic cavity.
Heart, Lungs
What are two functions of the integumentary system?
Protection and maintaining homeostasis
What is a plain english definition of homeostasis?
Stable internal state
Provide 1 example of a density independent limiting factor.
major flood
Draw the population growth graph of a population that has limiting factors. Label the maximum appropriately, and title the graph with the appropriate name.
Logistic growth, s curve, carrying capacity
What is the function of heart valves?
To prevent blood from backflowing
What is the function of the lymphatic system?
produce defense cells for the body
Describe one example of countercurrent exchange:
Thermoregulation in fish/wolves
Provide 3 examples of density dependent limiting factors
parasitism, competition, predation
Draw a graph showing survivorship of k-selected and r-selected species. provide one example of a species that would represent these graphs.
k selected - humans
r selected - plants, bugs, fish
What happens when a stroke occurs?
Loss of blood flow to the brain
What is the function of the endocrine system?
produce hormones, neurotransmitters, communication between body systems
What occurs at a synapse?
transmission of neurotransmitters
The science of studying human populations is called:
demography
What is the purpose of an age structure diagram?
many answers accepted
What is a gestation period?
The time between fertilization of the egg and sperm to birth
What are the two main divisions of the nervous system?
Central and Peripheral Nervous system
draw and label the three parts of a neuron.
Cell body, axon, dendrites
Describe 2 limiting factors that used to limit human population growth that no longer do so.
lack of food resources, lack of medicine
Draw an age structure diagram of a developing nation, and one of a developed nation.
see graphs
How are hiccups caused?
Spasms of the diaphragm
Give an example of a way two organ systems work together in the body. You must describe how the two systems work together.
many answers accepted
Draw an action potential curve. There are 5 steps to the action potential curve. The more labeled, the better!
(see drawing)