FREE Biology Ecology and Evolution Questions and Answers
What is a food chain?
A food chain represents the flow of energy in an ecosystem, starting with producers (like plants) and moving through various levels of consumers, including herbivores, carnivores, and omnivores.
What type of relationship exists between two species where both benefit?
Mutualism is a symbiotic relationship where both species benefit from the interaction. For example, bees pollinating flowers while obtaining nectar.
What is the primary driver of biodiversity loss today?
Habitat destruction, often caused by human activities like deforestation and urbanization, is the leading cause of biodiversity loss because it disrupts the living conditions necessary for many species to survive.
What term describes a species’ role in its environment?
A niche refers to the role and position a species has in its environment, including how it obtains resources, interacts with other organisms, and contributes to its ecosystem.
Which process drives evolution by favoring individuals with advantageous traits?
Natural selection is the process where individuals with traits better suited to their environment are more likely to survive and reproduce, passing these traits to future generations.