EXAM 1 jeopardy questions Flashcards
What is the smallest unit of life?
a. atoms
b. molecules
c. oxygen
d. cells
d. cells
Which of the following is a community?
a. All of the biomes found on Earth
b. All the abiotic and biotic components of an area
c. A collection of species within an area
d. Several populations within an area
d. Several populations within an area
Organisms that are prokaryotes are in the domain(s)
a. Bacteria
b. Bacteria and Archaea
c. Eukarya
d. Eukarya and Archaea
b. Bacteria and Archaea
An organism’s scientific name consists of
a. Genus and species
b. Family and genus
c. Order and family
d. Kingdom and phylum
a. Genus and species
Black bears reproduce later in life and have one or two cubs. These cubs are provided for and protected by the mother. What type of reproductive strategy is this?
a. Mutualism
b. Symbiosis
c. R-selection
d. K-selection
d. K-selection
What is the distribution of organisms in an ecosystem where resources are scattered and organisms are highly social?
a. Random
b. Uniform
c. Competitive
d. Clumped
d. Clumped
A j-shaped growth curve is characteristic of a population with_____________ resources.
a. limited
b. shared
c. overlapping
d. unlimited
d. unlimited
The factors that reduce the size of a population regardless of its initial size are
a. density-dependent.
b. biotic factors.
c. density-independent.
d. ecological factors.
c. density-independent.
A population of 1000 animals showed an 85 percent death rate in the first year, 10 percent in the second year, and 5 percent in the third year. This population’s survivorship is a. type 1. b. type 2. c. type 3. d. type 1 in the beginning and type 3 in the third year.
c. type 3.
Habitat refers to _____________.
a. the feeding level of a species.
b. an organism’s use of abiotic and biotic factors.
c. everything an organism needs to survive.
d. the home range of an organism.
d. the home range of an organism.
Whenever two species require the same resource and the better competitor drives the other to extinction it is called
a. resource partitioning.
b. competitive exclusion.
c. predator/ prey interaction.
d. parasitism.
b. competitive exclusion.
Two cohabitating organisms, one is benefiting while the other is not affected, have a _____________ relationship.
a. competitive
b. mutualistic
c. parasitic
d. commensalistic
d. commensalistic
A seahorse disguises itself as the sponges it clings to in order to avoid predators. This survival technique is
a. mimicry.
b. warning coloration.
c. display behavior.
d. camouflage.
d. camouflage.
Three of the four events below lead to primary succession. Which is the exception?
a. Retreat of a glacier
b. Erosion of rock
c. An abandoned cornfield
d. Eruption of a volcano
c. An abandoned cornfield
In a food chain consisting of grass, snails, birds, and snakes, the snails are the
a. primary consumers.
b. primary producers.
c. secondary consumers.
d. secondary producers.
a. primary consumers.
Biological magnification shows how
a. energy can be recycled in the food chain.
b. biomass decreases up the food chain.
c. energy decreases up the food chain.
d. toxins are magnified up the food chain
d. toxins are magnified up the food chain
Organisms that depend on consuming other organisms for energy are
a. producers.
b. consumers.
c. decomposers.
d. detritivores.
b. consumers.
Carbon is taken from the atmosphere by
a. the burning of fossil fuels.
b. volcanic eruptions.
c. photosynthesis.
d. cellular respiration
c. photosynthesis.
In the nitrogen cycle, nitrate is converted back into atmospheric nitrogen (N2) by __________________.
a. fungi
b. bacteria
c. denitrification
d. ammonification
c. denitrification
Giant pandas feed mainly on bamboo, which has been extensively cut to make room for China’s growing population. This is an example of
a. invasive species.
b. habitat degradation.
c. overexploitation.
d. species extinction.
b. habitat degradation.
Which has caused the thinning of the ozone layer?
a. Use of fertilizers.
b. Burning of fossil fuels.
c. Use of CFCs.
d. Global warming.
c. Use of CFCs.
Which of the following does not contribute to greenhouse gases?
a. Abundance of plants and trees.
b. Deforestation.
c. Industrialization.
d. Vehicle emissions.
a. Abundance of plants and trees.
Which of the following is NOT a consequence of deforestation?
a. Decreased oxygen levels.
b. Soil erosion.
c. Habitat removal.
d. Decreased CO2 levels
d. Decreased CO2 levels
What is the second largest threat to biodiversity on the planet?
a. Habitat degradation.
b. Overexploitation.
c. Invasive species.
d. Greenhouse effect.
c. Invasive species.
