Biology-Lesson 3 – Flashcards
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_______ Isolation occurs when two species occupy different habitats within the same geographical range.
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habitat
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he tail bone of humans is an example of a/an _______ structure
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vestigial
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According to the theory of evolution, birds' feathers evolved from
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reptile scales
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Which of the following is an example of a group of prokaryotic organisms?
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archaea
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Darwin argued that the beak size and shape of Galapagos finch species was related to their
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food source
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_______ is/are the raw material of evolutionary change
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mutations
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Spherically shaped bacteria are known as
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cocci
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Both insects and roundworms exhibit ______, whereas sponges, snails, and leeches do not.
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molting during growth
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The most diverse and prevalent organisms on earth are
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bacteria
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A chart that illustrates a series of species with their common ancestor is called a
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cladogram
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When female deer mate with male deer that have the largest antlers, _______ selection is occurring
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sexual
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Which one of the following statements presents a condition required for the Hardy-Weinberg principle to be in effect?
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random mating occurs
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What organisms can live in hot springs and thermal vents?
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archaea
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Which of the following is not a characteristic of Arthropods that has attributed to their diversity and success? A. Endoskeleton B. Highly developed nervous system C. Segmentation D. Jointed appendages
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endoskeleton
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Fungi are considered to be more closely related to animals rather than plants because they
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can't make their own food
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During the life cycle of a plant, gametophyte is to n as sporophyte is to
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2n
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In the evolutionary adaptation sense, what is fitness?
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the reproductive success of an individual
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Angiosperms may use any of the following to disperse pollen except
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water
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In evolution, the study of vertebrate forelimbs is related to _______ evidence.
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anatomical
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Organisms that can interbreed and bear fertile offspring are considered to be in the same
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species
