Population Dynamics and Trends
The study of changes in sizes of populations, their compositions and the factors causing these changes: this includes Size, Density, Dispersion, Decline or Growth.
Hint: closer than you think
What are Population Dynamics/Population Ecology?
Recommended/calculated/given amount of any substance
What is Dose?
A bacteria, virus, or other microorganism that causes disease
What is a Pathogen?
We genetically modify foods for the following 2 reasons.
What is appearance and Protection?
Prices of basic living necessities increase over time and low income communities are affected the most by this.
What is Price Inflation?
All biomes have specific characteristics that determine the size and types of populations that can live in those environments
What are Limiting Factors?
The dose makes the poison.
What is "Everything in excess is bad"?
A very small infectious agent that has genetic material (RNA), but can only reproduce inside of a “host cell”
Ex. Common Flu
What is a Virus?
A lot of activism around this area of ethical concern. People have started more vegetable based diets because
What is Cruel Treatment of Animals?
Very limited access to these things in minority/low income neighborhoods
What are Supermarkets/Healthy Foods?
The maximum population that an ecosystem can support indefinitely
What is Carrying Capacity (K)?
Level/degree of a substance’s toxic potential
What is Toxicity level?
This disease was felt worldwide. Prominent among homosexual men at the time of discovery, yet it quickly spread to all populations through sexual contact and needle sharing. Left untreated and it was a guaranteed death at the time.
What is the HIV pandemic?
Ethical issue that deals with contamination and food recalls
What is Safety of Food?
Lack of access to a sufficient amount of food because of limited funds. 1 in 6 children in American households go through this.
What is Food Insecurity?
A population of 500 zebras lives in 15 acres of grassland with plenty of resources. Every 3 months the population increases by 26 zebras. The population is expected to reach its carrying capacity (K) in exactly 5 years. The carrying capacity is...
What is 1020 Zebras?
Lead was not only prominent in paint back in the day, but has more recently been found in water.
What is the Flint Water Crisis?
Blood condition that prevents wounds from healing quickly.
What is hemophilia?
Selectively breeding two plants or animals of different breeds to produce a superior offspring
What is Crossbreeding?
Besides lack of supermarkets and low income, this is another reason why food deserts are so prominent and people resource to unhealthy options nearby
What are Lack of Transportation/Far distance?
Population Growth trends are usually portrayed through these.
Hint: it is a type of graph
What are Age Structure Diagrams?
Dose at which a drug/toxin is lethal to 50% of those who take it
What is LD50 (Lethal Dose at 50%)?
A group of individuals that would say these things:
Most people who get diseases are already vaccinated.
Some batches of vaccines are safer than others.
Vaccines cause many harmful side effects and illnesses
What are ANTI-Vaxxers?
Making GMO foods helps directly solve which huge ethical issue when it comes to food production?
What is Use a Chemical?
Even if we place supermarkets in these neighborhoods, it will be hard to get people eating right. Why?
What are Bad Eating Habits?