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Communicable Disease and Ecology - Coggle Diagram
Communicable Disease and Ecology
Medical Drugs
Testing
Preclinical drug trials - The drugs are tested using computer models and human cells grown in the laboratory.
Animal trials - Drugs that pass the first stage are tested on animals. ...
Human clinical trials - Drugs that have passed animal tests are used in clinical trials.
Drug Development Phases
Phase 1: Discovery and Development.
Phase 2: Preclinical Research.
Phase 3: Clinical Research.
Phase 4: FDA Review.
Phase 5: FDA Post-Market Safety Monitoring.
Bacteria
Bacteria are microscopic living organisms, usually one-celled, that can be found everywhere. They can be dangerous, such as when they cause infection
The arrival of new predators in an ecosystem can have a devastating effect. In balanced ecosystems, predators and prey have evolved together. Predators can catch enough prey to survive, but not too many to mean they kill all their prey.
Protists
Most protist diseases in humans are caused by protozoa. Protozoa make. humans sick when they become human parasites
Fungi
Fungal diseases are often caused by fungi that are common in the environment. Most fungi are not dangerous, but some types can be harmful to health.
Virus
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism
All animals require food to live. The availability of food is a major factor in how many animals live in an ecosystem. Areas like rainforests with rich food supplies have more species of life than other areas like deserts and the polar regions where there is less food.
Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations.