Ecosistemas y sus componentes Flashcards
What is an ecosystem?
An ecosystem is a community of living organisms and their physical environment interacting as a system.
True or False: Ecosystems only include living organisms.
False
Fill in the blank: The main components of an ecosystem are __________, __________, and __________.
producers, consumers, decomposers
What role do producers play in an ecosystem?
Producers convert energy from the sun into food through photosynthesis.
Multiple choice: Which of the following is NOT a type of consumer? A) Herbivore B) Carnivore C) Decomposer D) Omnivore
C) Decomposer
What is a decomposer?
A decomposer is an organism that breaks down dead material and recycles nutrients back into the ecosystem.
True or False: Ecosystems can be large, such as forests, or small, like a pond.
True
What is the difference between a biotic and an abiotic component?
Biotic components are living organisms, while abiotic components are non-living factors like water, soil, and climate.
What is biodiversity?
Biodiversity refers to the variety of life in a particular ecosystem, including the number of species and genetic diversity.
True or False: All ecosystems are self-sustaining.
False
Multiple choice: Which of the following describes a food chain? A) A complex network of feeding relationships B) A simple linear sequence of organisms C) Only plants D) None of the above
B) A simple linear sequence of organisms
What is the significance of keystone species in an ecosystem?
Keystone species have a disproportionately large effect on their environment relative to their abundance, maintaining the structure of the ecosystem.
True or False: Energy flows through ecosystems in a circular manner.
False
What is the primary source of energy for most ecosystems?
The primary source of energy for most ecosystems is sunlight.
Fill in the blank: In a food web, __________ represent the flow of energy from one organism to another.
arrows
What is the term for the maximum population size that an environment can sustain?
Carrying capacity
Multiple choice: Which of the following is a primary producer? A) Grass B) Rabbit C) Wolf D) Fungus
A) Grass
True or False: Primary succession occurs in lifeless areas, while secondary succession occurs in areas where a disturbance has happened but soil remains.
True
What is an aquatic ecosystem?
An aquatic ecosystem is a water-based environment, such as a lake, river, or ocean, that supports various forms of life.
Fill in the blank: The __________ zone of a lake is where sunlight penetrates and photosynthesis occurs.
littoral
