Living Organisms Flashcards
(11 cards)
What are the basic characteristics of living organisms?
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.
Define ecology.
Ecology is the study of how organisms interact with each other and their environment.
What is a habitat?
A habitat is the natural environment where an organism lives.
What is a population?
A population is a group of the same species living in the same area.
What is a community?
A community is all the different species living and interacting in an area.
What is an ecosystem?
An ecosystem is a community of organisms and their physical environment interacting together.
Define a food chain.
A food chain shows how energy flows from one organism to another.
What is a food web?
A food web is a network of interconnected food chains.
What is a producer?
A producer makes its own food using sunlight (e.g., plants).
What is a consumer?
A consumer eats other organisms for energy.
What is a decomposer?
A decomposer breaks down dead organisms (e.g., fungi, bacteria).