Quiz 5 Conservation Flashcards
You choose to buy organic apples b/c organic fruit is not sprayed with pesticides like neonicotinoids which can harm bees and other pollinators. You are contributing by
buying products that have less impact on threatened species.
Greatest human-made cause of declining biodiversity?
alteration of habitats
Lionfish are native to the tropical waters of the Indian and Pacific Oceans. After aquarium enthusiasts imported them to the United States, some of the lionfish gained access to coastal waters. Over the past several decades, populations of lionfish have grown tremendously in the Atlantic Ocean, Gulf of Mexico, and Caribbean. Away from the predators of their home range, lionfish have consumed large numbers of native fish and damaged coral reefs. Select the human impact on biodiversity that best applies to this example.
introduction of invasive species
One human impact on biodiversity is the overexploitation of resources. Which of the following best exemplifies this?
overhunting of the passenger pigeon
Humans should not eradicate all mosquitoes because they play important roles in ecosystems and have
intrinsic value.
How is the sixth mass extinction different from previous mass extinction events on Earth?
The sixth mass extinction is being driven by human activity.
If populations of white rhinoceros (Ceratotherium simum) continue to decline, one approach to prevent extinction would be captive breeding. How does this process work?
The remaining animals are moved into captivity to try to increase the population, after which they are reintroduced into the wild.
Ivory is banned from importation into the United States. This is a result of
the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
A mining company plans to build a highway through a forest in northern Canada that is important for caribou migration. What could ensure the safe migration of caribou without having to cancel plans for this highway?
a wildlife corridor
A unique series of connected forest ecosystems exists on public lands in the western United States. It has been found to contain three species of rare toads. What designation would be best to preserve the toads in this ecosystem?
national wildlife refuge
Which of the following activities would violate CITES?
Your friend brings back an ivory chess set that they bought while on safari in Africa. (Correct)
One of the problems that has reduced California condor population numbers is that
lead shot is still used for hunting, and the lead can build up in a condor’s system because condors eat dead animals that have been shot (Correct)
Which of the following is a consequence of clearing forests for agriculture purposes?
Soil erosion increases because the tree roots and other vegetation that stabilize the soil have been removed. (Correct)
Which of the following is true about ecosystem services?
are economically valuable services provided by natural systems (Correct)
Motivation to protect wildlife can focus on an organism’s intrinsic value, which means
the value of the organism is apart from its usefulness to others (Correct)
