Life Science

Front

What are limiting factors in ecosystems?

Back

Limiting factors are environmental conditions that restrict the growth, abundance, or distribution of organisms in an ecosystem.

Front

How do human activities affect ecosystems?

Back

Human activities can alter ecosystems by changing habitats, introducing pollutants, and affecting the availability of resources.

Front

What is the role of producers in a food web?

Back

Producers are organisms that create their own food through photosynthesis or chemosynthesis, forming the base of the food web.

Front

What are consumers in a food web?

Back

Consumers are organisms that obtain energy by eating other organisms, including herbivores, carnivores, and omnivores.

Front

What is the function of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA among individuals within a population, which can lead to different traits.

Front

What is parasitism?

Back

Parasitism is a relationship between two organisms where one organism benefits at the expense of the other.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a relationship where one organism benefits while the other is neither helped nor harmed.