Graded Already.
Nutrient flow is the natural process which provides for the cycling of chemicals between
biotic and abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. correct
answers True
A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have
colonized on the rock, breaking it down and creating soil. Soil allowed grasses and flowering
plants to grow. In this example, which of these was most likely the pioneer species? correct
answers Lichens
Samantha is developing a management plan for an area suffering a significant reduction of
grasses and plants which directly affects the viability of an endangered species. Her plan
involves an increase of primary producers to support long-term ecological balance and to
eliminate the requirement of human influence. Which of the following best represents this
management plan? correct answers Sustainability
Select all of the levels of taxonomy which represent the scientific name of a species. correct
answers genus
species
Grasslands are dominated by grasses and several species of forbs. Which of the following
best describes a forb? correct answers Broadleaf plants and lower shrub vegetation
What is desertification? correct answers Grasslands which undergo drought or
demineralization and turn into a desert landscape
Which of the following United States departments was the first to be established? correct
answers Department of Agriculture's Division of Economic Ornithology and Mammalogy
Which of the following is true regarding the ability for grasslands to sequester carbon from
the atmosphere? correct answers Grasslands recover quickly from drought or fire, allowing
them to return to carbon sequestering far earlier than other biomes
Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act
regulates. correct answers uses funds from oil and gas royalties to protect gulf coast marshes
funds research for new measures to protect wetlands
Birth and death rates are expressed as the number per _____ individuals per unit of time.
correct answers 1,000
Adrian was hired by a company to survey for endangered species before a construction
project. As part of this survey, they wish to know species diversity on the property. While on
his first survey, Adrian sees a bird he has never seen before, so he takes detailed notes and a
picture with plans to identify it later. The bird has a distinctly hooked beak, bright yellow legs