topic 9 biology

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    What is an ecosystem?

    Includes both living and non-living components in an area.

    What factors affect species abundance?

    Abiotic factors like light and temperature, and biotic factors like competition.

    What is abundance in ecology?

    The number of organisms in a specific area.

    How do populations differ from communities?

    Populations consist of one species, while communities include multiple species.

    What is interdependence in ecology?

    The relationships and dependencies between different species.

    What is a quadrat used for?

    To estimate the abundance of organisms in a defined area.

    What is a belt transect?

    A method to measure how abiotic factors affect species distribution.

    What happens if abiotic factors change?

    Species distribution may shift as organisms adapt to new conditions.

    What is competition among organisms?

    The struggle for limited resources necessary for survival and reproduction.

    Why is biodiversity important?

    It enhances ecosystem resilience and provides resources for humans.

    What is conservation?

    Efforts to protect endangered species and their habitats.

    What is eutrophication?

    Excess nutrient addition to an ecosystem, often from fertilizers.

    What is a parasite?

    An organism that lives on a host and causes it harm.

    What is a mutualist?

    An organism that has a beneficial relationship with another species.

    What processes are involved in the carbon cycle?

    Respiration, photosynthesis, decay, feeding, combustion, and fossilization.

    What is precipitation in the water cycle?

    Water released from clouds as rain, snow, or hail.

    What is the role of decomposers in the carbon cycle?

    They break down waste and dead organisms, recycling carbon.