Interactions Among Living Things

What is a fundamental interaction in the natural world that involves a struggle for survival?

• Migration

• Photosynthesis

• Predation

• Symbiosis

In mutualism, how do both species benefit?

• One species is harmed

• Both species remain unaffected

• Both species gain advantages

• One species benefits, the other is unaffected

Which type of symbiotic relationship involves one species benefiting while the other is unaffected?

• Parasitism

• Mutualism

• Predation

• Commensalism

What role do keystone species play in an ecosystem?

• They have no significant impact

• They are always predators

• They are the most abundant species

• They play a crucial role in maintaining ecosystem structure

Why are conservation efforts important for ecosystems?

• To increase human activities

• To maintain biodiversity and ecological balance

• To eliminate all predators

• To promote urban development