What ecosystem service do honeybees provide?
What is the concern regarding European honeybees?
Define biological extinction.
Define mass extinction.
What do scientists consider as the normal background extinction rate? How many species does this equate to that would disappear naturally each year? (Read a few paragraphs down for this answer; it’s there.)
What do scientists estimate is the current annual rate of species extinction? How many species does this equate to that would disappear each year? Each day?
Define endangered species.
Define threatened species.
Differentiate between regional extinction and functional extinction (i.e. ecological extinction).
Biologists use 3 major reasons for why we should work to prevent our activities from causing or hastening extinction of other species. What are they?
Identify the components of the acronym HIPPCO.
What is the greatest threat to wild species?
Define habitat fragmentation.
True or False. All nonnative species are invasive. Explain your answer.
In 2-3 sentences, summarize where these invasive species came from, the problems they cause, and a proposed solution:
Kudzu vine and Kudzu bugs
Argentina fire ant
Burmese pythons
What is the best way to reduce threats from invasive species?
Pollution such as the use of pesticides can impact other species. Explain the impact of DDT on bald eagle populations.
How is climate change affecting polar bears?
Give 2 examples of animals that are poached and why they are poached.
70% of the world’s 10,000 known bird species are threatened. Songbird populations have declined sharply. What is the primary reason?
What are 2 reasons we should be concerned about the decline of bird species?
1975 Convention on International Trade in Endangered Species (CITES):
Convention on Biological Diversity (CBD)
The U.S. Endangered Species Act of 1973
Read pages 210-211. List 4 ways that we can protect species.
What is the precautionary principle?