Multiple Choice 1. Darwin claimed that the differences in the beakformation betw
ID: 180075 • Letter: M
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Multiple Choice 1. Darwin claimed that the differences in the beakformation between the variety of finches species found on the Galapagos Islands was related to their: a. time of reproduction b. food source c. genetic body size d. migration pattern e, mechanical 2. Individuals with traits that help them live and reproduce successfully in their immediate environment that is based on inherited characteristics is called a. the theory ofevolution b. a biome c, mutualism d. natural selection e, geographical 3. A lake that is not nutrient rich and tends to have no organic life is a(n) lake. a. oligotrophic b. eutrophic c. temperate d. stratified e, temporal 4. Behavior ethology is best defined as the study of a. populations b. population change c. organism develop, evolve, survive, and reproduce in an environment d. population restriction by environmental resistance e, gamete fusion prevention 5. All individuals of different species, and their biotic and abiotic environment in a given area is the a. population b, biosphere c. community d. ecosystem e, ecological 6. Interaction between two species in which one feeds on the host without destroying it is a. competition b, a community c, an ecosystem d. predation. e, parasiticExplanation / Answer
1. Darwin proposed the theory of evolution through natural selection. He keenly observed the beak size and shape of finches and stated that evolution has a major role in the modification of beak size and shape through the generations of finches and in different species, the beak type is specific to acquire the specific food according to seasons. Option b is correct.
2. Natural selection is the process in which the organisms acquire modifications according to their environmental conditions. These acquired modifications are passed from one generation to the other and the population produce more offspring and only those individual adapted to the environment would survive. Natural selection in other way is the adaptation of an organism to the environment. Option d is correct.
3. Lakes containing less amounts dissolved organic nutrients support sparse growth of organisms and algae are known as oligotrophic lakes. Option a is correct. Eutrophic lakes contain abundant nutrients and exhibit high biological activity.
4. Behavior ethology is the animal behavior, development, evolution, survival and reproduction in an environment. Option c is correct.
5. A group of individuals belonging to the same species living in a specific area are known as population. A community with different species interacting with one another and with the non living environment containing the matter and energy is called as an ecosystem. Optiond is correct.
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