Exam (elaborations)
BIO 219 Midterm Exam – Questions And Answers (A+)
- Course
- Institution
BIO 219 Midterm Exam – Questions And Answers (A+)
[Show more]
Content preview
BIO 219 Midterm Exam – Questions And Answers (A+)Binomial Nomenclature Right Ans - genus+specific name (epithet)
Trinomial Nomenclature Right Ans - genus+specific name+subspecies
Soils contain Right Ans - gasses, water, minerals, organisms, organic
matter, fungi and roots
Topsoil Right Ans - The most fertile and nutrient-rich part of soil (A-
horizon)
Soil Characteristics Right Ans - Horizons that are distinguishable from the
initial material as a result of additions, losses, transfers and transformations
of energy and matter
Ability to support rooted plants in a natural environment
Soil factors that effect habitat quality Right Ans - Quantity of soil
Quality
Nutrient Cycles
Soil disturbance
Quantity of soil Right Ans - source, depth to bedrock, horizons
Soil Quality Right Ans - Porosity-texture, thickness
Water holding capacity (function of pore space and ability to hold a charge)-
organic matter (humus)
Cation exchange capacity (CEC)-pH, Nutrients
Horizons Right Ans - O horizon -> A horizon -> E horizon (sometime) -> B
horizon -> C horizon -> R horizon (bedrock)
Regolith Right Ans - O horizon--C horizon
Soil texture affects Right Ans - porosity (pore space) and available water
Bulk density Right Ans - soil mass/soil volume
, Field capacity Right Ans - The maximum amount of water held by soil
particles against the force of gravity (after being saturated and drained)
Wilting point Right Ans - Moisture level at which plants cannot extract
water
Granular/single grain soils Right Ans - rapid water drainage
Blocky/prismatic soils Right Ans - moderate water drainage
Platy/massive soils Right Ans - slow water drainage
Humus affects Right Ans - waterholding capacity, porosity, CEC, pH and
color
*holds moisture and drains well
Nutrient cycling is affected by Right Ans - climate, parent material, living
organisms and disturbance
Types of rocks Right Ans - igneous, sedimentary, metamorphic
Igneous rocks Right Ans - rocks formed by the cooling of molten rock
(either magma or lava)
Granite, scoria, pumice, obsidian
Sedimentary rocks Right Ans - Loose particles that become cemented
together
Sandstone, limestone, shale, gypsum
Metamorphic rock Right Ans - a rock that has been changed by heat and
pressure
Slate, marble, quartzite, gneiss
Intrusive vs extrusive igneous rocks Right Ans - Extrusive: have smaller
crystals and visible pores (blown out of the volcano)
Intrusive: large (visible crystals) formed with in the volcano
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studyhall. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now