Which action below is affected by an antihistamine?

TLS Online TPP Program

#Question id: 12328

#Unit 10. Ecological Principles

The dominant species in a community is

TLS Online TPP Program

#Question id: 12329

#Unit 10. Ecological Principles

In a tide pool, 15 species of invertebrates were reduced to eight after one species was removed. The species removed was likely a(n)

TLS Online TPP Program

#Question id: 12330

#Unit 10. Ecological Principles

Elephants are not the most common species in African grasslands. The grasslands contain scattered woody plants, but they are kept in check by the uprooting activities of the elephants. Take away the elephants, and the grasslands convert to forests or to shrublands. The newly growing forests support fewer species than the previous grasslands. Which of the following describes why elephants are the keystone species in this scenario?

TLS Online TPP Program

#Question id: 12331

#Unit 10. Ecological Principles

The species richness of a community refers to the

TLS Online TPP Program

#Question id: 12332

#Unit 10. Ecological Principles

With a few exceptions, most of the food chains studied by ecologists have a maximum of how many links?

TLS Online TPP Program

#Question id: 12333

#Unit 10. Ecological Principles

Coral animals