Show:
Sustainability
Ecosystems & Communities
Populations
Cell Biology
Membranes & Diffusion
100
This is an exchange of one thing for another, or giving up something that is a benefit in exchange for some other benefit; often involve balancing benefits and risks.
What is a trade-off?
100
This is the definition of ecology.
What is the study of the relationship between living (biotic) and nonliving (abiotic) factors in nature.
100
These are the three parts of the definition of a population.
What are a certain NUMBER of the same SPECIES in a certain GEOGRAPHIC AREA?
100
These are the three points of the Cell Theory.
What are 1.) all life is made of cells; 2.) cells are the smallest things capable to independently sustain life; 3.) all cells come from other cells.
100
This is the law of diffusion.
What is the random scattering of molecules from an area of high concentration to an area of low concentration?
200
This is the definition of sustainability.
What is when a community meets its present needs without compromising the ability of future generations to meet their own needs.
200
This is the six levels of organization in the environment from smallest to largest.
What are organisms -> populations -> communities -> ecosystems -> biomes -> biosphere ?
200
This is the maximum population number that a particular ecosystem can support sustainably.
What is the CARRYING CAPACITY?
200
These are four categories of biological molecules.
What are proteins, lipids, carbohydrates and nucleic acids.
200
These are the two main ingredients that cell membranes are made of.
What are phospholipids and proteins?
300
These are the three challenges (categories of indicators) that we use to evaluate sustainability.
What are Social, Economic, and Environmental?
300
These are three types of community interactions, and the role of each of the two species (+ / - / 0) in that relationship.
What are MUTUALISM (+/+); PARASITISM (+/-); COMMENSALISM (+/0)
300
These are the two factors that increase population size, and the two factors that decrease population size.
What are (BIRTHS and IMMIGRATION) that increase, and (DEATHS and EMIGRATION) that decrease?
300
In a hyportonic environment, this is what would happen to a plant cell and an animal cell, respectively.
Due to osmosis, why would a plant cell swell up and create turgor pressure against the inside of the plant cell wall (a good thing); while an animal cell would swell as water diffuses in and could rupture, or lyse, the cell (a bad thing!)?
400
The amounts of resources and energy it takes to make a product, the duration of the product's usefulness to the consumer, and how the product is disposed of, recycled, or reclaimed when it is no longer needed.
What is a product life cycle?
400
This is a sketch of a typical energy pyramid, showing the maximum amount and correct labels of each trophic level.
What is a triangle, wide at the base and narrowing as you go up, with a maximum of FIVE levels: producers (at the base), herbivores, carnivores, secondary carnivores, tertiary carnivores (at the top).
400
This is a sketch of a sigmoidal population graph, showing three typical phases, and annotating the relationships between population size and resource availability.
What is s-shaped graph showing: Exponential phase (small population, abundant resources); Transitional phase (larger population with diminishing resources); Plateau phase (carrying capacity with resources as limiting factors)
400
These are two examples of communicable diseases and two examples of non-communicable diseases, as studied in class.
What are communicable: MALARIA & HIV; and non-communicable: DIABETES & SICKLE CELL ANEMIA
400
These are chemical indicators that we used to detect whether the presence of sugars and starches could diffuse across a dialysis tube membrane.
What are Benedict's Solution (for sugars) and IKI, Lugol's iodine solution (for starches)?
500
A relationship between one event, or variable, and another. And these are the definitions of the two kinds of these relationships.
What is a correlation? A POSITIVE CORRELATION is when one event or variable increases as the other increases; a NEGATIVE CORRELATION is when one goes up as the other goes down (or vice versa).
500
This is the definition and two examples of invasive species.
What is an alien species, not native to the ecosystem, that spreads uncontrollably because of a lack of natural limiting factors. Examples could include ZEBRA MUSSELS (clams that spread from Europe to the Americas), ROUND GOBY (fish from Eurasia to the Great Lakes), INDIAN MONGOOSE (introduced to the Hawaiian Islands), Giant Salvinia (S. American aquatic plant that forms floating mats)
500
This is the difference between density-dependent and density-independent factors on a population, and an example for each.
What are density-dependent being factors that matter how crowded in organisms are (ex. disease, nesting sites, food and space availability); and density-independent factors affect a population regardless of how crowded that are (ex. natural disasters, weather events, floods, etc.)
500
These are four tissues layers in a typical plant leaf, and the distinguishing form & function characteristics of each.
What are the EPIDERMIS (thin, transparant, waxy cuticle ~ to protect the leaf); PALASAIDES (tightly packed, green full of chloroplasts ~ main site of photosynthesis); SPONGY (air spaces ~ to allow for gas exchange between tissues); VEINS (bundles of hollow tubes ~ to allow for transport of materials into and out of the leaf)
500
This is the kind of cells that HIV attacks and how it gets into those cells.
What are white blood cells, and how does the virus attach and fuse itself to the WBC cell membrane?