3rd 9wks Exam Review

The interaction between two animals in which one animal eats the other

• Competition

• Commensalism

• Parasitism

• Predation

A relationship between organisms of different species where one organism benefits and the other is harmed

• Mutualism

• Parasitism

• Commensalism

An interaction between organisms or species that is helpful to one but neither helpful nor harmful to the other

• Competition

• Commensalism

• Mutualism

• Energy Pyramid

An organism that makes its own food

• Autotroph

• Herbivore

• Vegetarian

• Omnivore

A tapeworm and a cat have this type of relationship.

• mutualism

• competition

• parasitism

• commensalism

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism

• parasitism

• predation

• mutualism

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). 

• Parasitism

• Commensalism 

• Mutualism 

In the energy pyramid here, which organisms have the most energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 1 Kcal

• 10 Kcal

• 100 Kcal

• 1000 Kcal

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

• insect

• coyote

• lizard

• shrub