Exam 3: Physical Conditions and the Availability of Resources

Competition between individuals of the same species is which type of competition?

Oak tree species are quite abundant in the southern California landscape.These species are long-lived,even though they experience drought.What would you predict their root structure to be like?

If you wanted to eat something with a high C:N ratio,which of the following would you select?

A niche for a species of salamander is determined by the density of individuals in the area,soil temperature,amounts of precipitation,and food availability.Thus,the niche would be modeled as a:

According to Figure 3.4,Lasiommata maera larvae in the fall

A _________ is an organism that relies on external sources of heat to determine the pace of their metabolism.

A species of bacteria is known to live in the skin and other organs of puffer fish.These bacteria produce a toxin that the puffer fish use to poison predators.The bacteria benefit from living on the puffer fish by receiving a host.This is an example of

According to Figure 3.27,glucosinolates in the petals and leaves of wild radish:

Organisms whose major resources are photosynthetic radiation,water,nutrients,and carbon dioxide are known as ________.

Conditions can affect disease dynamics.A grasshopper species will escape serious infection by a fungal pathogen by modifying what condition?

You have been observing a species of mammal that appears to enter a dormant phase where their metabolic activity is greatly reduced relative to the rest of the year.This change seems to be associated with a decreased length of daylight.What you have observed is often referred to as ___________.

______ is used by plants to time dormancy and flowering.

The term _______ refers to the success of individuals in the population to survive,reproduce,and leave descendants in an environment relative to others.

There is evidence that some plants respond to herbivore attacks by increasing the production of chemicals known to deter herbivory.What would this be an example of?

A mimic is a species that:

You learn that a plant species has evolved to deal with year-round drought conditions by reducing their rate of photosynthesis.One trait that may be associated with such a response is:

Snowy plovers,a coastal bird species,are found to live only on sandy beaches.Where snowy plovers live is referred to as their:

As its first product of photosynthesis,a __________ will produce a sugar containing three carbon atoms.

If a plant is prevented from transpiring,what do you expect the outcome will be?

A single algal species competes for a required resource,silicate.As the number of individuals increases,there is less silicate available for the original individuals.This is an example of: