Ecology Concepts and Principles Assessment

What is ecology primarily concerned with?

• Chemical processes within living cells

• Genetic mutations in organisms

• Relationships between organisms and their environments

• Geological formations

Which factor is an example of an abiotic component in an ecosystem?

• Spiders

• Palm trees

• Sunlight

• Bacteria

What directly influences the increase in a population's size?

• Decreased immigration

• Higher birth rate

• Lower birth rate

• Higher death rate

In which phase is the population increasing due to a higher birth rate than death rate?

• Phase 1

• Phase 2

• Phase 3

• Phase 4

What type of symbiotic relationship benefits one organism without affecting the other?

• Parasitism

• Commensalism

• Mutualism

• Predation

What do decomposers primarily consume?

• Living plants

• Minerals from soil

• Decaying organic matter

• Sunlight

Which level in a trophic pyramid consists of primary consumers?

• Level 2

• Level 3

• Level 4

• Level 1

What is the main focus of conservation efforts by communities?

• Preserving ecosystems and species

• Promoting tourism

• Expanding urban areas

• Increasing industrial activity

What is the primary effect of introducing red lionfish to new habitats?

• Decrease in native fish populations

• Increase in coral reef fish populations

• Increase in aquatic plant growth

• Decrease in algae populations

Which practice can help control the population of an invasive species?

• Catching and consuming the species

• Habitat destruction

• Increased pollution

• Reducing predator numbers