Unit 1
Biosphere
Biosphere
Snow has a high ______ because it reflects a large percentage of sunlight.
Albeido.
What are the three freshwater zones and what are the key features of each?
Littoral: close to shore, shallow water, abundant plant life that is able to anchor themselves, stilling receiving sunlight and has adequate amount of nutrients.
Limnetic: farther from the shore, still have some sunlight, plants are unable to anchor to the bottom and still receive sunlight for photosynthesis.
Profundal: No sunlight, below the limnetic zone, abundance of nutrients, dominated by decomposers and detritus feeders.
The energy carrier that photosystem 1 makes is?
Small grape-like sacs where gas exchange happens in the lungs
Alveolar sacs.
The part of the digestive tract where most chemical digestion happens.
Jejunum, small intestines.
Clover -> Mouse -> Snake -> Hawk
If the clover had 700 calories of energy how much did the snake get?
7 calories.
What is the most specific level when classifying organisms.
Species.
What makes ATP with the energy from a hydrogen ion concentration gradient?
Chemiosmosis.
Condition in which the alveoli fill with fluid because of an infection
The pathway for food from the mouth to the stomach.
Which trophic level do these consumers fall under?
Omnivore, herbivore, carnivore, scavenger, decomposer.
Omnivore: tertiary, secondary
Carnivore: tertiary, secondary
Herbivore: primary
Scavenger: all levels except producer.
Decomposer: all levels except producer.
The theory of inheritance of acquired characteristics was developed by:
Jean Lamark.
The step in cellular respiration that uses oxygen as the final electron acceptor?
Electron Transport Chain.
This vein carries oxygenated blood
Pulmonary Vein.
Urea, the main toxin that the kidneys must remove, comes from the breakdown of this.
Proteins.
Nitrogen fixation.
An inherited trait an individual has that helps it survive and reproduce in its environment.
Adaptation.
Three products that ethanol fermentation produces.
Alcohol, carbon dioxide, ATP.
In sequence, the four parts that electrical signals travel in the heart
SA node, AV node, bundle of HIS, Purkinje fibers.
Another term for myosin myofilament.
The thick myofilament
The process where bacteria convert nitrogen gas to ammonium is called:
Nitrogen fixation.
An inherited trait an individual has that helps it survive and reproduce in its environment.
Adaptation.
Three products that ethanol fermentation produces.
ATP, Carbon dioxide, alcohol.
Location and purpose of antigens.
Molecules on the membranes of cells that trigger an immune response identifying cells as foreign
What is another term for the Digestive system?
Gastrointestinal Tract.