. In a coevolutionary arms race ____________. Question 6 options: A) selection favors equilibrium. B) each adaptation by one species negates selection on the other. C) each adaptation by one species leads to a new adaptation in the other. D) selection is stronger on the predator.
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6.
In a coevolutionary arms race ____________.
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- 1.) Humans benefit from the presence of certain vitamin Kproducing bacteria that live in the large intestin The bacteria get food and shelter in return . This relationship is an example of A.)parasitism B.) predation C.) commensalism D.( mutualism 2.) A predator-prey relationship exists between the Canada lynx and the snowshoe hare. Lynx that are more successful hunters, are more likely to survive and reproduce, and thus pass on their traits to the next generation. Snowshoe hares that are faster or better at hiding are also more likely to pass on their successful traits From the above information , one can conclude that predator -prey interactions influence the process of A.) inbreeding B.) natural selection C.) artificial selection D.) parasitism 3.) Both intraspecific and interspecific competition affect population growth Which of the following statements about how population growth is affected by competition is correct? A.) Only intraspecific competition increases…7. Behavioral ecology can best be described as ________. A. responses by organisms that helps others (e.g., increase their fitness) B. responses by organisms that increase food intake C. responses by organisms that adversely affect others (e.g., competition) D. responses by organisms that contribute to survivorship and reproduction E. responses by organisms that maximize outcrossing12. Which among the following will help in conserving and protecting biodiversity? * A. Preventing deforestation B. Reducing waste C. Protecting species D. All of the above. 13. Which type of adaptation is described when finding two wisdom teeth growing? * A. Structural B. Behavioral C. Physiological D. Vestigial
- 5. It is a theory proposed by Jean Baptiste de Lamarck which states that the ability to survive helped organisms develop characteristics necessary for them to adapt in a given environment. * a. The Evolution Theory b. The Theory of use and Disuse c. The Theory of Need d. The Theory of Natural Selection1. Answer the following questionsa)How long will it take for a dolphin population to be reduced by 50% if the intrinsic rate of increase is -.04?b)In the last 70 years the blue whale population decreased from 340,280 to 4,727. What is the intrinsic rate of decrease (r)? c)If the current intrinsic rate of increase for blue whales is .1, how long will it take the current population of 4,727 to climb back to 340,280?1) How did the removal of sea otters affect the population of two other organisms? Please explain. (grey means they are no longer available in that ecosystem).
- 5)How does the number of different prey species available to an organism affect the number of offspring it can produce in a breeding season? a)Population b)Community c)Ecosystem1.) A Large group of organisms that are related, share common characteristics and are capable of interbreeding. a.) Adaptation b.) species c.) Habitat d.) Epidemics 2.) When a population grows past the ecosystem's carrying capacity, what happens to the population? a.) It starts to die off to return to carrying capacity b.) It continues to grow c.) It grows then finds a new carrying capacity d.) It will go extinct due to lack of resources 3.) Why would advances in medicine lead to population growth? a.) Treatment of deadly diseases allows people to live longer. b.) People are unable to have babies without medical help. c.) Babies do not grow if they don't take their medicines. d.) Drugs allow mothers to have multiple births, like octuplets. 4.) Mang Berto breeds white mice in a cage. After a few generations, the breeder observes that the white mice are more aggressive towards each other, the young are less healthy, and more young white mice die. What do you think will…1) Based on the food web, would you consider woolly mammoth a keystone species? Why or why not?
- 7) The term "preemptive competition" refers to _________________. Question 7 options: when individuals of one species inhibit individuals of another by consuming a shared resource situations where the occupancy by one individual precludes the establishment of others when one organism grows over another, thereby inhibiting access to some essential resource when chemical growth inhibitors inhibit germination and establishment of other species when nonterritorial meetings between individuals negatively affect one or both of the participant species2) In a particular island, the environment is semi-arid. There is a lizard population with a lot of variation for color. Normally, the light sandy color and golden colored lizard flourished because they escaped predation, while others were barely surviving. However, in recent years, a lot of rain has brought about a lot of vegetation. Which variation of lizard will now flourish in the area? * A) white B) Brown C) Green D) Red1. A drought occured reducing the size of a large lake that was home to a species of aquatic snail in a very short period of time. The remaining population saw a drastic reduction in the gene pool and faced new selective pressures due to the lack water. Those snails that were drought tolerant sirvived and became a new species. This an example of what? 2. Chefs attract their mates by cooking a romantic meal, while musicians attract their mates by writing a romantic song. If a chef encounters a musician and fixes them a romantic meal, mating does not occur because musicians do not like romantic meals. This is an example of what?
