Exam 1 Questions Flashcards
The term ecology is defined as the study of the
a. Environment
b. relationships between organisms
c. relationships between organisms and their environment
d. impact of humans on the environment
C
A biome is
a. the thin layer surrounding the Earth that supports all life
b. all the populations of different species living and interacting within an ecosystem
c. A broad-scale region dominated by similar types of ecosystems
d. An area of land or water composed of a patchwork of communities and ecosystems
C
You are conducting an experiment measuring changes in photosynthetic efficiency of a purple cone flower at a range of temperatures, from ambient to +2C. This is what level of ecology?
a. Individual
b. Population
C. Community
D. Ecosystem
A
You are conducting an experiment measuring the diversity and biomass of the non-woody plant species in a temperate grassland. This is what level of ecology?
a. Individual
b. Population
c. Community
D. Ecosystem
B
You are conducting an experiment measuring the effect of annual rainfall on the rate of primary production of the non-woody plant species in a temperate grassland. This is what level of ecology?
a. Individual
b. Population
c. Community
D. Ecosystem
D
A predator consuming prey would occur at the organizational level of the
a. Community
b. Biome
c. Population
d. Ecosystem
A
An ecologist conducts a laboratory experiment to study the effect of glucose concentration on the yeast production. What is the independent variable in this experiment?
a. Cellular respiration
b. Concentration of glucose
c. Number of yeast cells in culture
d. Increased weight in each culture tube
B
The difference between climate and weather is that
a. Weather is limited to precipitation and wind
b. Climate is the long-term pattern of weather
c. Climate is limited to temperature
d. Weather is a measure of climate
e. Land
B
The energy driving the global water cycle is provided by
a. wind
b. tides
c. rotation of the Earth on its axis
d. Solar energy
D
Incoming radiation exceeds outgoing radiation at or near
a. the poles
b. the Northern Hemisphere
c. the Southern Hemisphere
d. the equator
D
The evaporation of water form internal surfaces of leaves, stems, and other living parts of a plant is called
a. osmosis
b. transpiration
c. diffusion
d. infiltration
B
The density of water is the greatest at
a. -4C
b. 0C
c. 4C
d. 100C
C
In comparison with the epilimnion of a lake, the water of the hypolimnion is
a. warmer
b. less dense
c. cooler
d. more oxygenated
C
The primary source of oxygen in an aquatic is from
a. respiration
b. photosynthesis
c. lightning strikes
d. wave action
B
An organism that lives in a deep aquatic environment may exhibit all of the following physical characteristics except…
a. large eyes
b. bioluminescence
c. colorful skin pigmentation
d. streamlined body
C
