TN Ready Review

What is the primary source of energy for ecosystems?

• The moon

• The sun

• The ocean

• The wind

What helps maintain stability in an ecosystem?

• Only abiotic factors

• Only biotic factors

• The relationships between biotic and abiotic factors

• The absence of species

What type of relationships create interdependence in ecosystems?

• Competitive relationships

• Symbiotic relationships

• Hostile relationships

• Solitary relationships

What can invasive species do in an ecosystem?

• Support native species

• Outcompete native species

• Decrease biodiversity

• Increase stability

What are some factors that cause ecosystems to change?

• Only human impact

• Only natural disasters

• Environmental factors like human impact, natural disasters, invasive species, and climate changes

• Only climate changes

What determines how many organisms can survive in an ecosystem?

• Unlimited resources

• Limiting factors

• The number of predators

• The amount of sunlight

What are the classifications of symbiotic relationships?

• Competitive, cooperative, and neutral

• Mutualism, commensalism, parasitism, and predatory

• Hostile, friendly, and neutral

• Solitary, group, and pair

Which of the following is NOT a biome mentioned in the study guide?

• Tundra

• Desert

• Ocean

• Rainforest

What is the effect of invasive species on biodiversity?

• Increase biodiversity

• Decrease biodiversity

• No effect on biodiversity

• Create new species

How can human activity affect organisms' communication?

• Improve communication

• Alter communication

• Have no effect

• Create new communication methods