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NHS Antibiotics: Ecosystems & Relationship
Terms in this set (31)
Largest number of individuals of a population that a environment can support
An environmental factor that prevents a population from increasing
Growth pattern in which the individuals in a population reproduce at a constant rate because of unlimited resources.
Growth pattern in which a population's growth rate slows or stops due to limited resources.
Shape of a graph that shows a population rises steeply as more and more individuals contribute to the population increase.
Shape of graph that shows a population leveling out as it reaches carrying capacity.
The ability to survive long enough, due to the individual's traits, to reproduce and have reproducing offspring
The result that occurs when individuals within a species do not have enough resources and results fighting/competing for the resources
A non living factor in the environment: wind, air, sunlight, water, carbon dioxide, temperature, humidity
A living factor in the environment: animal, plant, bacteria
Any heritable trait that helps an organism survive and reproduce in its environment.
Different forms of a particular trait type in a population
Both extreme forms of the trait are best fit in the environment
The average form of the trait is best fit in the environment
One extreme form of the trait is best fit in the environment
Localized changes to the DNA sequence. Can be beneficial or harmful.
Chemicals that kill bacteria or inhibit their growth. They are ineffective against viruses.
Prescribing fewer antibiotics
What are doctors doing to slow down the development of resistant bacteria?
It kills off the maximum number of bacteria
Why should you always complete a course of antibiotics?
Resistance, water repellant, Moving away from a harmful chemical with flagella
Three examples of bacteria adaptations
An organism's particular role in an ecosystem, or how it makes its living. (it's job)
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
Changes in temperature
Adding medicine (antibiotics) to the body
What are some environmental changes that might occur to bacteria?
morphological adaptations that allow organisms to blend into their surroundings
Ability of an animal to look like another more harmful animal
Nutrient Agar (food)
What might be a limiting factor of growth for bacteria in petri dishes?
When two species (like bacteria) are grown together, and one is better at growing and getting food we say that one species _______________ the other.
What is the most important in terms of natural selection?
Physical and chemical processes that take place inside the body of an organism
something an animal does that helps it survive
structural (Morphological) adaptation
a physical feature of an organism's body having a specific function that contributes to the survival of the organism
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