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Dispersal - Movement to a new area Emigration = move out of a population Immigration = move into a population Often a result of overcrowding (density dependent) Most often young animals are moving to establish a new home range or become members of a new population (immigration) Limiting factors - factors that prevent unlimited population growth May be dependent on population density or unrelated to density Density dependent factors - causes higher mortality or decreased b...

What is wildlife? - Free-living, wild animals (excluding feral or exotic species) of major significance to humans; includes associated plants and lower animals (micro-organisms) What are the potential benefits of creating water sources for wildlife? - Increase animal abundance, increase available habitat, improve habitat quality, recovery and management of special status species What are some of the negative impacts of creating water sources for wildlife? - Increased potential for disea...

Infectious - viruses, bacteria, parasites Pathogen - a disease, causing agent EX. Chronic wasting disease (CWD) Non-infectious - toxin, physiological, nutritional, congenital, degenerative, cancer EX. Mercury poisoning Reservoir - any living or nonliving substance that may perpetuate a pathogen in nature Reservoir host - a host that acts as a reservoir for the pathogen, but does not suffer ill effects from the disease Host - an organism on or in which another organism lives ...

What is an r-strategist? - r-strategist: Small organisms Short-lived Many offspring Limited parental care High juvenile mortality Exploit unstable environments What is the Pleistocene overkill? - The Pleistocene overkill is the excess hunting of megafauna, which killed its species as well as the predators that hunted it. What did Teddy do to earn his term in office being coined as the Golden Age in Conservation? - In 1903, Roosevelt initiated what was to become the National Wildli...

An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has an - Reversing valve A customer complains that their heat pump systems blows cool air periodically during the heat mode. This could be caused by; - A faulty defrost relay (does not energized the aux. Heat during the defrost mode.) When a heat pump is in the heating mode, which can cause frost accumulation on the outdoor coil when the ambient temperature...

What is the main difference between a heat pump and a fossil fuel furnace? - Heat pumps move heat instead of creating it How can you lower the temperature at which evaporation takes place? - Reduce the pressure on the low side of the system During the cooling season, the heat pump operates as an? - Air Conditioner. How can an air source heat pump heat when the outdoor temperature is cold? - All molecules contain some heat until they reach absolute 0(-460F.) How does liquid turn ba...

Charging a heat pump with refrigerant is best accomplished in the _______ mode. - B: Cooling mode Which of the following can prevent the reversing valve from changing positions? A: Low refrigerant charge B: Overcharge of refrigerant C: Air in the system D: Low indoor airflow due to a dirty air filter - A: Low refrigerant charge The supply air temperature on a normally operating heat pump is: A: Lower than that of a gas heating system B: Higher than that of a gas h...

Faulty defrost delay does not energize the auxiliary heat during defrost mode - Customer complains that the heat pump system blows cool air periodically during the heating mode this could be caused by The outdoor coil is colder than the ambient air - When the heat pump is in the heating mode what can cause frost accumulation on the outdoor coil when ambient temperature is 45°F Anytime there is a call for heating or cooling - The indoor fan on a heat pump system operates Time and tem...

It is not always a good idea to immediately connect a standard gauge manifold set and hoses to a heat pump when a problem is suspected because; - the charge is critical, sometimes plus/minus 1/2 oz. Refrigerant Which component is responsible for changing the direction of the flow of refrigerant? - Reversing valve Some heat pump system use a ___________as a metering device - fixed orifice The slide valve and piston in the reversing valve is actuated by pressure directed through the; -...