Topic Test Answers

Humans evolved in the Eocene period.

When growing in windy environments, this organism will grow low along the ground, but when growing in sheltered environments, it grows tall. The leaves have a waxy coating to reduce moisture loss, a chemical makeup that makes them fairly fire resistant, and produce a scent that deters predators. It also has a large root system and root crowns. What organism and environment is described above?a.coyote brush and chaparralb.cacti and desertc.mesquite and savannad.coyote brush and taiga

How was the Cretaceous period different from the Jurassic Period?a.The Jurassic period had angiosperms, while the Cretaceous did not.b.Pangaea split during the Jurassic period.c.There were dinosaurs in the Jurassic period, which went extinct in the Cretaceous period.d.Conifers and ferns were present in the Jurassic period, but not in the Cretaceous period.

The large size of the musk ox _______.a.helps minimize heat lossb.is offset by its long legsc.helps the animal graze less oftend.helps maximize heat loss

What abiotic factors describe the desert biome climate?a.four distinct seasons, a temperature range from just below freezing to 70º F, almost 14 inches of rain in the winter months and more than 18 inches of rain in the summerb.warm temperature year round, very long dry winter and a very wet summer, a temperature range of 68° to 86° F, annual precipitation of 10 to 30 inches c.subarctic and cold climate, long, severe winters, average yearly rainfall is 15 to 20 inchesd.extremely low humidity, less than 10 inches of rain per year, high temperatures during the day, frequently windy

Summers that are hot, humid, and rainy, winters that are below freezing with a lot of snow, 50-100 frost free days/year, and precipitation ranges from 12-33 inches/year are all abiotic characteristics of the _______ biome.a.chaparralb.tundrac.arcticd.taiga

Fish do not live in the icy rivers of the tundra.

Desert and desert-scrub biomes are characterized by specific types of plant and animal life. Creosote bushes are found throughout areas such as the Mojave Desert. They are used by roadrunners for nesting, and also provide a home for desert tortoises. Photo by Samulili What type of plant is the creosote bush? a. coniferous tree b. lichen c. shrub d. flowering weed Please select the best answer from the choices provided

Which of the following is not a way humans have directly impacted coral reefs?a.overfishingb.tourismc.algae farmingd.agriculture

Which factor is not used to define biomes?a.plant structuresb.leaf typec.historical similaritiesd.climate

Which of the following adaptations is characteristic of animals in the taiga biome?a.large pawsb.short legs, ears, and tailsc.higher levels of hemoglobind.large lungs

Horned toads squirt blood from their eyes as a _______.a.means of evading predatorsb.means of catching preyc.mating behaviord.territorial marker