The top layer of a forest.
What is the canopy?
This process occurs when rocks are broken down but not changed chemically.
What is physical weathering?
These factors limit how large a population can grow.
What are limiting factors?
This term refers to organisms who are good indicators of water quality in an ecosystem.
What are bioindicators?
Pollution that cannot be pin pointed to a specific source or origin.
What is Non-Point Source Pollution?
A standard length used in forestry. It is 66 feet.
What is a chain?
This kind of map is used to determine the elevation and slope of the land.
What is a topography map?
This shows how energy moves from producers to consumers in an ecosystem.
What is a food chain/food web?
These baby insects are good bioindicators.
What are macroinvertebrates?
The place where all pollution heads from here.
What is the Chesapeake Bay?
This measurement is taken 4.5 feet above the ground.
What is Diameter at Breast Height (DBH)?
This particle is the smallest of the 3 that make up soil.
What is clay?
This term describes the maximum number of organisms that an environment can support.
What is carrying capacity?
This is the watershed in which we live in.
What is the Susquehanna Watershed?
The result of over fertilization of fields followed by heavy rainfall.
What is runoff?
This type of tree is known for its acorns and is a member of the hardwood trees.
What is an oak tree?
This is the topmost layer of soil where nearly all organic matter is located.
What is the O Horizon?
This species of insect feeds off of trees and spreads uncontrollably throughout the state. At adult stage, it is about 1 inch long and gray with black spots.
What is the spotted lanternfly?
This organism is Pennsylvania's state amphibian.
What is the Eastern Hellbender?
The result of excess fertilizer ending up in the Chesapeake Bay.
What is algal bloom?
This tree is Pennsylvania's state tree.
What is the Eastern Hemlock?
This tool can tell us the texture of a soil if we know the percent of sand, silt, and clay present.
What is the soil texture triangle?
This organism is Pennsylvania's state bird.
What is the Ruffed Grouse?
This is an example of an invasive species in Pennsylvania most often introduced by humans releasing these former pets.
What is a Yellow-Bellied Slider/Red Eared Slider
This type of pollution enters waterways mainly through runoff from construction sites.
What is sediment?