Unit 1
The second level of the ecological organization is:
Population
Kangaroo rats avoid daytime heat and predators, while some squirrels forage during the day. This is an example of what type of partitioning?
Temporal
The _________ is the primary source of energy for most ecosystems
sun
A ________ is a large region of Earth with a specific climate, vegetation, and animal life
biome
An interconnected set of food chains is known as a:
Food Web
Rocks, temperature, and water are all examples of ___________ factors
abiotic
space
The position an organism occupies on the food web is known as its:
trophic level
The two main biome categories are terrestrial and _________
Aquatic
The general rule of thumb is that each trophic level gets _____% of the energy that the previous trophic level contained.
10
A relationship where both species benefit from the interaction is called:
mutualism
This would occur after a glacier retreats, exposing rocks
Primary Succession
Warmer temperatures generally ____________ decomposition
speed up/ accelerate
The savanna is known as a tropical _____________
grassland
Deserts receive under ____ cm of precipitation per year
25
Which survivorship curve do humans typically follow?
__________ Species are critical to the ecosystem's structure, often controlling the population of other species.
Keystone
Most decomposers require __________ for the efficient breakdown of the materials
oxygen
What biome is Virginia located in?
Deciduous/Temperate Forest
_________ Species are essential for the structure of the ecoystem
Foundational
The number of individuals the environment can support over a long period of time is known as the:
carrying capacity
The division of limited resources among species to reduce competition is known as:
Resource partitioning
The rate at which producers generate organic material through photosynthesis is known as:
Primary Productivity
A __________ illustrates an area's average monthly precipitation and temperature
Climatograph
This selection is known to have organisms that exhibit high reproductive rates followed by high mortality rates that lead to populations with high fluctuating numbers
R-Selection