Chapter 1 Introduction Flashcards
Which of the following would be a research focus for a population ecologist?
the effects of hunters’ “bag limits” on the number of white-tailed deer in a county
the effects of grass fires on the reproductive rates of sage grouse
the effects of wildfires on prong-horn antelope migrations
Which of the following would be a research focus for a physiological ecologist?
variation in flower color due to soil pH
the growth of “helmet spines” on Daphnia (water fleas) in response to fish predation
True or false: Researching the effects of dust storms from the Sahara Desert on phytoplankton density in the Caribbean Sea is an example of research in the area of community ecology.
false
not limited to a small area
True or false: A research program focused on the effects of precipitation on the number of sugar maple trees of different ages in a forest would be considered research at the landscape scale.
false
research needs to focus on large area
True or false: A research focus for a behavioral ecologist would be to understand the effects of grass density on herd density and movement patterns for wildebeest.
true
Community ecology is focused on interactions occurring within a ______ area.
localized
Which of the following would be a research focus for behavioral ecologists?
wildlife corridors on elk migration patterns
flower visitation rates by bee pollinators
Which of the following would be considered a research focus in the area of population ecology?
the effects of winter snow depth on the ratio of male to female squirrels
Ecologists researching the interactions between species at the community level have focused on the ______ effects of the interactions on the species involved.
evolutionary
An ecosystem ecologist would ______ the physical ______ the chemical factors influencing the interactions within communities.
include / and
True or false: A research program is looking at changes in tundra grass diversity from caribou migration between the Brooks (mountain) Range and the tundra on the north slope of Alaska. This is an example of landscape ecology.
true
interaction of communities and environment
A research program examining the relationship between island size and numbers of bird species living on them found that the larger islands have a greater number of bird species, while fewer species are found on smaller islands. This is an example of ______ ecology.
geographic
True or false: The effects of soil pH on root competition in daisies would be a focus for an ecologist looking at community interactions.
true
response of organism to environment
An ecosystem includes the ______ and ______ for a particular area.
organisms; physical environment
True or false: Measuring the uptake of water by plants in response to changes in air temperature is a type of ecological research.
true
interacting with environment
