Abiotic and Biotic Factors

Conflict can arise between two species or organisms when they both require the same resource. What scientific term is given to this conflict?

• Parasitism

• Competition

• Predation

• Mutualism

Which of the following statements best defines biotic factors?

• the living parts of an ecosystem

• the nonliving parts of an ecosystem

• neither living or nonliving parts of an ecosystem

Which of the following best defines abiotic factors?

• the living parts of an ecosystem

• the nonliving parts of an ecosystem

• neither living or nonliving parts of an ecosystem

Which abiotic factor would NOT decrease the rate plants do photosynthesis?

• sunlight

• oxygen

• carbon dioxide

• temperature

Temperature affects the rate of how fast reactions occur in certain organisms. Is this an example of an abiotic or biotic factor?

• abiotic

• biotic

• both

• neither

Wolves are added to a park to reduce the number of Elk roaming around. This is a biotic example of what?

• parasitism

• mutualism

• commensalism

• predation

Cacti have adapted a thick, waxy covering and large, fleshy stems. Which abiotic factor, due to its limitation, has encouraged these adaptations?

• lack of sunlight

• lack of soil

• lack of water

• lack of wind

Water would be an example of:

• Biotic

• abiotic

For what are the wildcat and the fox competing?

• Goat

• rabbit

• owl

• hawk

All of the organisms of the same species in an area is defined as:

• Community

• population

• limiting factor

• carrying capacity