Characteristics of Living Things
A plant will grow toward the sunlight. This is called phototropism. This is an example of which characteristic of life?
a. organization
b. adaptation
c. growth
d. response to stimuli
d. response to stimuli
The area where all living things on Earth live.
Biosphere
Vultures, which feed on the bodies of dead organisms, are ____.
a.first-level consumers
b.scavengers
c.producers
d.herbivores
b.scavengers
In an energy pyramid, which level has the most available energy?
a.producer level
b.first-level consumer level
c.second-level consumer level
d.third-level consumer level
a.producer level
The most abundant element in the atmosphere is _______.
a. nitrogen
b.carbon
c. oxygen
d.phosphorous
Nitrogen
The ability of an organism to maintain a stable internal environment is ____________.
homeostasis
All of the living AND nonliving things in an area.
ecosystem
What do producers release as a result of photosynthesis?
a.hydrogen
b.nitrogen
c.oxygen
d.carbon dioxide
c.oxygen
Models that show all of the possible feeding relationships at each trophic level in a community; links all food chains in an ecosystem together.
Food webs
Which of the following is not part of the Water Cycle?
Transpiration, Precipitation, Decomposition, Evaporation
Decomposition
Which of the following is an example of a structural adaptation of an Arctic Fox?
a. giving birth to live young
b. being warm-blooded
c. white fur in the winter and brown fur in the summer
d. the ability to live in a niche
c. white fur in the winter and brown fur in the summer
All the different populations that live together in an area make up a(an) ____.
a.organism
b.community
c.species
d.ecosystem
b.community
An organism that makes it own food can be referred to as an _________ and a __________.
autotroph and a producer.
The total mass of living matter at each trophic level.
Biomass
Carbon dioxide in the atmosphere enters the biotic parts of the biosphere through ____.
a.burning of forests
b.photosynthesis
c.combustion of fossil fuels
d.all of the above
b.photosynthesis
DNA
The simplest grouping of more than one kind of organism in the biosphere is ____________.
a. population
b. community
c. ecosystem
d. species
b. community
Omnivores, carnivores, herbivores, scavengers, and decomposers are all ____________________.
consumers
How much energy is loft from one tropic level of a biological pyramid to the next?
90%
Nitrogen is released to the abiotic parts of the biosphere from the processes of death and ____.
a.decay by bacteria
b.infiltration of groundwater
c.runoff
d.lightning in storm clouds
a. decay of bacteria
A ___________ is something that has all of the characteristics of life and is made up of cells.
organism
An ecologist who studies how several species in an area interact with each other and with the abiotic parts of the environment is interested in the biological organization level called a(n) ____.
a.organism
b.population
c.community
d.ecosystem
d.ecosystem
___________ is the ability of a producer to make energy in the absence of sunlight.
Chemosynthesis
Phytoplankton --> fish --> squid -->shark
Which is the tertiary consumer in the food chain above?
shark
Which of the following is not a biogeochemical cycle?
a. phosphorous cycle
b. life cycle
c. water cycle
d. nitrogen cycle
b. life cycle