Ecology Chapter 1

Front 1

True or false: Measuring the uptake of water by plants in response to changes in air temperature is a type of ecological research

Back 1

True

Front 2

What are examples of how humans have affected the global environment?

Back 2

1) desertification from overuse of groundwater

2) increases in atmospheric CO2

3) Deforestation

Front 3

Understanding how variation in weather and soils may affect the growth of crops and livestock ___ be considered ecological thinking.

Back 3

Would

Front 4

An ecologist conducting research on American Bison could include which of the following in their research program:

Back 4

1) calf suckling behavior on survival rates

2)male mate choice on population growth rates

3)diversity of grasses on grazing rates

4)predation by wolves on calving

Front 5

Which of the following would be considered a research focus in the area of population ecology?

Back 5

1)the effect of forest fires on atmospheric Co2 concentrations

2)the effect of precipitation on grass distribution across north america

3)the effects of winter snow depth on the ratio of male to female squirrels**

4)the effect of light intensity on thorn formation in roses

Front 6

Which of the following would be a research focus for behavioral ecologist?

Back 6

1) Wildlife corridors on elk migration patterns

2) nectar production on flower visitation rates by bee pollinators

Front 7

True or false: The effects of soil pH on root competition in daisies would be a focus for an ecologist looking at interactions.

Back 7

True

Front 8

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.

Back 8

False because this research is not focused on organisms and interactions within a limited area

Front 9

An ecosystem ecologist would ___ the physical and ____ the chemical factors influencing the interactions within communities.

Back 9

include; and

Front 10

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.

Back 10

True

Front 11

In order to be considered part of the biosphere, a deep geological formation would need to contain:

Back 11

living organisms

Front 12

Landscapes are considered to be ___ geographical regions subject to large-scale and regional processes within the area of geographic ecology

Back 12

part of

Front 13

In addition to the specific research question, the three factors also included in the design of a research program include:

Back 13

1) available tools

2)temporal scale

3)spatial scale

Front 14

MacArthur was interested in understanding how several species of warblers could ____ in the same patch of forest

Back 14

coexist

Front 15

MacArthur hypothesized that the warblers would not ____ if they fed on insects in different zones within the trees

Back 15

Compete

Front 16

MacArthur's results about how the birds fed in different zones was based on ____ observations of where the birds fed

Back 16

quantitative

Front 17

Stable isotope analysis evaluates the ____ amount of isotopes in the material being examined

Back 17

relative

Front 18

In Jamaica, older male redstarts occupy ____ mangrove habitats while younger male redstarts are found in _____ habitats

Back 18

high-quality; poor-quality

Front 19

An ecosystem includes the ___ and____ for a particular area

Back 19

organisms; physical environment

Front 20

True or false: Epiphytes are parasitic plants that live on the branches and trunks of other plants

Back 20

False

Front 21

In the temperate rain forests of the Olympic Peninsula, the mass of epiphytes is _____ _____ the mass of the leaves on their host tree

Back 21

Greater than

Front 22

The science of ecology ___ biological ___ non-biological components of the environment

Back 22

includes; and

Front 23

An ecological research program is focused on the factors determining the diversity of fishes on a Caribbean coral reef. This research would be conducted at which scale of ecological organization?

Back 23

Communities

Front 24

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.

Back 24

True

Front 25

The equipment now used to conduct research within forest canopies includes:

Back 25

1) Hot air balloons

2) cranes

3) aerial trams

Front 26

As the lakeside vegetation diversity changes, the diversity of the pollen in the sediments ______ the vegetation change

Back 26

Changes with

Front 27

The host trees gain access to the nutrients stored in the epiphytes by ____

Back 27

growing roots into them

Front 28

True or false: As a result of Chestnut blight, Chestnut pollen is more abundant in the more recent sediment layers

Back 28

False