TAG Ecology Test Review

Which of the following shows an abiotic factor interacting with a biotic factor in the environment?

• Lamprey eels survive by attaching themselves to trout.

• Water temperature affects its oxygen level.

• Low light intensity affects the growth of forest pine trees.

• Gypsy moth caterpillars eat the leaves of apple tree.

Which event is the best example of competition between species in a pond?

• dragonflies landing on lily pads
• lizards and snakes lying in the sun
• hawks eating mice
• frogs and toads eating flies

Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are

• only the cattle

• neither the birds or the cattle

• both the birds and the cattle

• only the birds

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

A group of penguins of the same species in an area makes up a

• population

• community

• ecosystem

• biome

All the different populations living together in a specific area at the same time.

• population

• community

• ecosystem

• biome

_________ eat BOTH plants and animals for energy.

• Omnivores

• Scavengers

• Carnivores

• Herbivores

All of the biotic AND abiotic factors together in an particular area is called a(n):

• ecosystem

• biome

• community

• population

Vultures, which feed on the remains of dead organisms, are best described as _____________.

• primary consumers

• scavengers

• omnivores

• herbivores

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

• Commensalism

• Mutualism

• Parasitism