14 topics with concise breakdowns: definitions, key facts, and class questions.
The "General Ecology" section focuses on the fundamental relationships between living organisms and with their environment. For a future physician, this is not just abstract biology, but a foundation for understanding how the habitat shapes human health and determines the development of diseases.
The material of this section covers all levels of biological organization. You will study the classification and patterns of action of ecological factors, mechanisms of organismal adaptation, food chains and energy flows. We thoroughly examine the structure of ecosystems and the biosphere, ecological successions, and population ecology—from biotic interactions to population growth types. A separate block is dedicated to agroecosystems and human impact on nature.
Classes and exams most frequently require you to clearly explain the patterns of action of ecological factors (especially risk factors and their interactions), know the mechanisms of population dynamics, and understand the consequences of atmospheric pollution. These topics are your direct bridge to studying hygiene, social medicine, and epidemiology.
Ecology studies the interactions of organisms with each other and with their environment (both biological and physical processes).
Do organisms have adaptations to non-periodic factors?
No. Since such factors arise suddenly and do not occur under normal environmental conditions, evolutionary adaptations to them cannot develop.
What is a limiting factor?
This is an environmental factor whose value at a given moment is closest to or exceeds the critical limits of the organism's endurance. It is this factor that determines whether an individual can survive in a specific environment.
What does the DALY indicator mean?
This is an acronym for Disability-Adjusted Life Year. The metric means the equivalent of one year of healthy and full life irrevocably lost due to illness or premature death.
What do biologists mean by the term "life form"?
A life form is a set of structural features (morphological adaptations) acquired by organisms for successful living in a similar environment. It can always be used to determine the conditions under which an organism lives.
What is the difference between a biocenosis and a biotope?
A biocenosis (from Lat. bios — life, koinos — together) is a community of interacting living organisms. A biotopes (from Lat. topos — place) is the physical space or territory where this biocenosis lives.
Master the entire topic in the "Biology" course
This is a summary. The course covers everything tested in classes and exams.
3,793 pages of study guides across all topics
Assignments and quizzes after every topic — just like in a colloquium