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Biology Papers Essay Examples

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General Ecology

Crypsis to look inedible. camouflage. (look like a leaf, or bark, etc) Morphological Adaptions spikes, spines, or armor Batesian Mimicry mimic the actions of an unpalatable species by a palatable species to deceive predators. Mullerian Mimicry mutual resemblance of two or more conspicuously marked, unpalatable species to enhance predator avoidance. Defense against herbivory (3 examples)…

General Ecology

What is Ecology? -a science dealing with organisms in their environment. -the study of Interactions (ie. predation, competition, parasitism, mutualism,etc) between organisms and their environment(biotic or abiotic) Why Study Ecology? -major way of understanding our world -to determine the impact we are having on our planet Ecological Levels of Organization Organism/Individual->Population->Community->Ecosystem Emergent Properties properties that…

Digestive Anatomy

Digestive System consists of? mouth, pharynx, esophagus, stomach, hepatobiliary system, small intestine, large intestine Digestive system begins and ends where? Lips and anus Alimentary canal extends to where? entire length of digestive tract Mouth contains what? Salivary glands, teeth cheeks, tongue Salivary glands digest begin to digest what substance? starches Salivary glands contain what glands?…

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Honors Ecology

Benthic Plants aquatic plants that grow attached to or are rooted in the bottom of a body of water Submerged Aquatic Vegetation bethic plants that grow (in most instances) completely under water (SAV) Emergent Vegetation benthic plants that grow with the lower portions in the water, but the upper portions extend above the water Oligotrophic…

ecology final

How much greater are the N and P inputs to ecosystems now versus before the advent of Modern Society and Agriculture? Human impacts have doubled the natural background rate of nitrogen inputs and have quadrupled the phosphorus inputs. How have these increases in N and P inputs altered the primary productivity of ecosystems, and what…

Landscape Ecology

Landscape ecology science of studying the relationships between human development activities and various ecological processes in the environment. looks at spatial arrangements of land uses, and how those arrangements effect the functions of humans, other life forms, and abiotic processes. Genetic diversity genetic variations among the individuals of a population or species Ecosystem group of…

Landscape Ecology

What are the four origins of patches? 1) Remnants (areas remaining from an earlier more extensive type, such as woodlands or agricultural areas. 2) Introduced (such as a new suburban development in an agricultural area) 3) Disturbance (a burned area in a forest or a spot devastated by a windstorm). 4) Environmental Resources (wetlands in…

Marine Ecology Final

Mollusca Gastropada Snails Mollusca (Phylum)Bivalves Clams Mollusca(Phylum)Cephlapods Squid Arthropoda(Phylum) Segmented Jointed Limbs Bilateral Symmetry Arthropoda Examples CrabsShrimps Lobsters Echinodermata(Phylum) Tube Feet Radial Symmetry Echinodermata Examples Starfish Sand DollarsSea Urchines Chordata(Phylum)Agnatha (Class) Jawless FishNo Appendages Chordata(Phylum)Chondrichthyes(Class) Cartilagenous Ampule of Lorenzini Pectoral Fin5 Gills Average Chordata(Phylum)Chondrichthyes(Class) Examples Rays Skates Sharks Chordata(Phylum)Osteichthyes(Class) Loose Gill SlitsLateral Lines Operulum Bony…

Marine Ecology

protozoan animal-like protists, over 50,000 species, 3 important ones Protozoan 3 Groups Forminifera– calcium carbonate shell or test Radiolaria– secreted shell of silica, covered with radiating spines (reduce rate of sinking for planktonic species) Ciliates– hair like cilia used for locomotion and filterfeeding (sessile attached ot the surface of seabed or organism) Ciliates Protozoan group,…

NEU Ecology Fall 2013 Lec set 4

Temperature and moisture (and interactions between these) are central to what? Climatology How are temperature gradients on Earth determined? Incoming solar radiation (40% at poles vs 100% at the equator) and the distribution of land and water Is there greater precipitation at the poles or at the equator? Equator Do mountains get more or less…

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