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BIO Post Lecture assignment ch. 19 & 30
Terms in this set (20)
A butterfly species has very wide distribution across southern Florida. in addition, the adults and caterpillars can use a wide array of plant species as a food source and also tolerate a broad range of temperature. Based on these criteria, this species is unlikely to face extinction in the immediate future.
True, because they have broad habitat tolerances.
Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. 45 individuals is ??
the carrying capacity
If a population of 200 squirrels has a 10 percent growth rate each year, how many individuals will there be in the population after 3 years (assuming that no deaths occur during this period?)
A fungal infection that covers an amphibian's skin can quickly kill the animal. Why can't amphibians tolerate their skin being covered with a foreign substance?
Amphibians have small lungs and use their skin for gas exchange; they suffocate when the skin is covered with fungal growth.
What are the key features of chordates?
notochord, dorsal tubular nerve cord, pharyngeal pouches, and a tail
Which of the following is true about the majority of less-developed countries?
they support the highest populations.
results in accelerating growth
Emperor penguins defend an area around their nests. Their territory encompasses a complete circle around the nest with approximately a 0.5 m radius. If each resting penguin has this same and shape territory, what type of distribution will these animals exhibit?
What is meant by an organism's biotic potential?
The maximum rate of population growth with unlimited resources.
Organisms are more likely to face extinction if they have which of the following characteristics ?
restricted geographic ranges
When a population reaches the stable equilibrium phase, this is considered ?
the carrying capacity of the environment
In 2004, fossil skeletons of a new Homo species were discovered in Indonesia and named Homo floresiensis. Which factor was the key to classifying this species in the genus Homo?
humanlike rather than apelike craniums
Which of the following is a hominin?
Neandertal, australopithecine, Homo erectus and Cro-Magnon
During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern Florida. The hurricane which lead to the arrival of the butterflies on the island is an example of a ??
Which of these is a unique characteristic of mammals?
Which of these has the necessary adaptations to survive in a dry land environment?
Which is not a typical adult amphibian characteristic?
Which of the following statement is/are true about human population growth?
the black plague resulted in a decrease growth rate in the 1300s.
changes during the industrial revolution led to steep rise in the human population.
the majority of the world's human population live in Asia.
human population densities tend to be highest along the coasts
ALL OF THE ABOVE
The closest living relatives of modern humans are
Which of these is present in all fishes?
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