Interactions in ecosystems chpt.14

Which of the following symbiotic relationships is considered parasitic?

• Ticks feeding on a dog
• Bees transporting pollen from flowers
• Pilotfish swimming under sharks
• Birds eating the insects fromo the back of hippo

In a particular habit lives a population of rabbits that are herbivores and population of foxes that are carnivores. which of the following is true about the statement above

• niches = herbivores and carvinores

• organism = herbivore and carnivore

• rabbit preys on the fox

• they are in the same niche

Scientists who observe the Harlequin Toad and the community they live in along with any physical features, they are really exploring which of the following____________________

• ecosystems

• population

• community

• biosphere

Which diagram shows both biotic and abiotic factors making-up the ecosystem level

• 1

• 2

• 3

• 4

500,000 raccoons live in the same habitat, They are considered a ____________________

• species

• population

• community

• biomes

What could you conclude from the following diagram?

• none of the above

• all the biomes (habitats) make-up the ecosystem

• all the biomes (habitats) make-up the community

• all the biomes (habitats) make-up the biosphere

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

• 10 KJ

• 1,000 KJ

• 10,000 KJ

• 1 KJ

What is a keystone species?

• A species that helps to hold an ecosystem together

• A species that lives in or around rocks

• Keys and stones have nothing to do with ecology

• A keystone isn't a living thing, it's just a stone

Occurs when 2 or more organism use the same resource

• Competition
• Mutualism
• Commensalism
• Parasitism

A close long term association between 2 or more species

• Mutualism
• Commensalism
• Symbiosis
• Parasitism