Interactions between two oganisms where both species benefit is considered __________.
The age structure diagram for rapidly growing populations __________.
is in the form of a pyramid & has a very broad base showing a large number of young
A network of interactions that involves the cycling of materials and the flow of energy between a community and its physical environment is __________.
Which is an example of a habitat?
E. oral cavity
What term refers to what an organism does & where it 'resides' in order to obtain resources for survive & reproduction?
A one-way relationshp in which one species benefits at the expense of another is called __________.
All ecosystems that support living systems are collectively referred to as __________.
In a natural community, primary consumers are __________.
The Clark County population in Nevada is determined using an equation including _________.
the number/residences counted from aerial photographs, the average number of individuals per residence (2.5) all of these, & the average occupancy rate of homes in a region/photograph (95%)
Global warming due to human activity is __________.
increasing the average air temperature of earth, increasing the number of species observed for the last time, noticeably increasing since the beginning of industrialization, & creating a hole in the stratosphere ozone layer
Atmospheric gases, __________ in the troposhere are increasing in recent decades with global warming.
methane, carbon dioxide, chlorofluorocarbons
The most productive biomes across the globes are the __________.
tropical rain forests
Rain shadows can be created __________.
when moisture from ocean wind currents drops rain on one side of a mountain range, leaving the other side of the range dry
Ecology is __________.
the study of interactions living organisms have with each other & their environment
Survivorship curves for many amphibian & insect species are often depicting __________.
a high number of offspring born with a high percentage dying at young ages
True or False. There is currently enough food to feed the human population.
True or False. No population can expand indefinitely.
The type of growth demonstrated over time by the human population growth curve is __________.
An ecologically dominant species can be considered __________.
a keystone species
- can be considered to enhance a community's productivity
- means geographic dispersion of species
- means variability among individuals within a species
- can be described as a wide variety of species within a community
In situations known as __________ one species has evolved to appear similar to another species with protective strategies.
The most common elements, 96% of living systems include __________.