apes
which of the following is best supported by the data in the graph
after volcanic eruption , pioneer species colonized the area and the ecosystem began to undergo succession
the largest area of old growth forest in the united states is located in
Alaska
Region where the protective ozone layer is located
Stratosphere
why do introduced species often become pests
They displace native species
region that contains the majority of molecules in the atmosphere
Troposphere
which if the following is a commercially used method for harvesting trees and is most likely to lead to a fragmented landscape with serious impacts on biodiversity
a clear cutting
which of the following best identifies the authors claims
aardvarks are a keystone species and their decline could have a tropic cascade effect on the ecosystem
Macronutrients
chemicals organisms need in large numbers to live grow and reproduce
which of the following identifies the two factors thought to be the most harmful to biodiversity
destruction of habitat and invasion by a nonnative species
biodiversity non use value
existence, aesthetics, future generations
region with the lowest atmospheric pressure
exosphere
biodiversity use value
for the usefulness in the terms of economic and environmental services
which if the following statements about genetic diversity is true
genetic resistance to pets and diseases can be increased by crossing a crop plant with ancestral varieties
which of the following loads to a decrease in biodiversity
introduction of an exotic species
A state highway was constructed over wetlands. The state obtained a permit to fill the existing wetlands in accordance with the provisions of the Clean Water Act of 1972, and agreed to create another wetland . This trade-off approach to addressing an environmental issue is known as
mitigation
which of the following statements best explains the changes in size and composition of the population of finches after the drought
the total number of finches in the population decreased, and the larger beaked finches were more successful in the dry environment
Micronutrients
these are needed in small or even trace amounts
region largely responsible for the weather experienced in earths surface
troposphere