Question: What are passerine birds that forage by impaling small animals on thorns?
Answer: Shrikes.
Question: What are species related to terns that feed by flying low with their lower mandible in the
water?
Answer: Skimmers.
Question: How many native species of crows and jays are there in New Zealand?
Answer: 0.
Question: In the American Southwest, how many hummingbird species are known to occur?
Answer: 17.
Question: The Desert biome lies about how many degrees north and south of the equator?
Answer: 30.
,Question: According to one reference, how many species of hummingbirds are there in Costa Rica
alone?
Answer: 51.
Question: North American grasslands once supported how many buffalo?
Answer: 60 million.
Question: About half the species of birds in the world belong to which order?
Answer: Passeriformes.
Question: How many species of birds are there in the world?
Answer: 9,700.
Question: According to a book by Baldasarre, Bolen, and Sayre, what percentage of body mass can a
female Snow Goose lose during the nesting cycle?
Answer: 40%.
Question: According to a team of researchers, giant tortoises once occurred on all continents except
which one?
Answer: Australia.
,Question: According to Darwin's theory, a bat's wing is homologous with what?
Answer: A penguin flipper.
Question: According to Lewis Wolpert, what is the most important event in a person's life?
Answer: Gastrulation.
Question: According to one reference, how many species of hummingbirds are in Costa Rica alone?
Answer: 51.
Question: According to the Florida Museum of Natural History, how many species of crocodilians are
there worldwide?
Answer: 23.
Question: According to the theory of "inheritance of acquired characteristics," individuals transformed
following what?
Answer: Perceived environmental stress.
, Question: According to the theory of natural selection, how many more individuals of a species are born
than can survive?
Answer: More individuals.
Question: Acid rain is a threat that has particularly affected which biome in North America?
Answer: Temperate forests.
Question: Across the tundra, what is the average annual rainfall?
Answer: <25 inches.
Question: The African pygmy elephant appears to be morphologically similar to what animal in South
America?
Answer: Capybara.
Question: Which African ratites have been introduced to Australia?
Answer: Ostriches.
Question: What causes African sleeping sickness?