Populations and Communities

Front

What are the methods of determining the size of a population?

Back

Methods include direct observation, indirect observation, and sampling. Death rate is NOT a method for determining population size.

Front

What are biotic components in an ecosystem?

Back

Biotic components are the living parts of the ecosystem, including all living organisms and those that were once living.

Front

What is immigration in the context of populations?

Back

Immigration refers to the movement of individuals into a new area or habitat, increasing the population size.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both species benefit, such as a shrimp cleaning parasites off a fish.

Front

What are some defense strategies of organisms?

Back

Defense strategies include camouflage, protective covering, and mimicry. Eating and sleeping are NOT considered defense strategies.

Front

What is the difference between abiotic and biotic components?

Back

Abiotic components are non-living parts of the ecosystem (like water and soil), while biotic components are living or once-living organisms.

Front

What is carrying capacity?

Back

Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.

Front

What is competition in ecological terms?

Back

Competition occurs when two or more species or individuals vie for the same resources in an ecosystem.

Front

What is the role of producers in a community?

Back

Producers, like plants, create energy through photosynthesis and form the base of the food chain.

Front

What is the significance of biodiversity in ecosystems?

Back

Biodiversity enhances ecosystem resilience, productivity, and stability, allowing ecosystems to adapt to changes.