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The theory of _____ proposed that sudden and widespread disasters that result in mass extinctions followed by repopulation could explain why species change over time. - Catastrophism The fossilized remains of two different species are found and scientists are interested in determining the evolutionary relationship of the two species. Which of the following could be used to determine the relatedness? A. homologous structures B. vestigial structures C. biogeography D. All of the choices...

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62 pages

Written in 2023/2024

Grade A+

SMARTmindUS

BIO 1407 Exam 3 (LSC) Questions with Correct Answers 100% || Graded A+ Latest (2024) || Certified!!! Which of the following is a male reproductive structure found in plants? archegonia megaspore pollen cone pistil - pollen cone All of the following structures are associated with lycophytes EXCEPT archegonia. rhizome. microspores. microphylls. - archegonia Which of the following is NOT an adaptation of plants to life on land? protection of the embryo from drying out waxy cuticle on...

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47 pages

Written in 2023/2024

Grade A+

SMARTmindUS

Animals are classified according to all of the following features EXCEPT presence or absence of segmentation. mode of reproduction. type of body symmetry. number of germ layers. molecular data. - Mode of Reproduction Bilaterally symmetrical animals tend to be active and move forward. tend to exhibit cephalization. have right and left sides when cut longitudinally. All of the choices are correct. - All of the choices are correct Which of the following is NOT a characteristic of all ani...

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46 pages

Written in 2023/2024

Grade A+

SMARTmindUS

Which of these is the best description of a virus? a noncellular living organism the smallest bacteria known a member of the kingdom Virusae an invasive cell chemical complexes of RNA or DNA protected by a protein shell - Chemical complexes of RNA or DNA protected by a protein shell Pasteur chose the Latin root word for "virus" meaning extremely small. non-living. poison. contagious. particle. - Poison Ivanowsky first recognized that something smaller than a bacterium, called a fi...

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36 pages

Written in 2023/2024

Grade A+

SMARTmindUS

BIO 1407 LAB ## 3 (LSC) Questions with Correct Answers 100% || Graded A+ Latest (2024) || Certified!!! gram negative - stains pink, less peptidoglycan gram positive - stains purple, more peptidoglycan Cocci - Round Shape Bacilli - Rod Shaped Spirillum - Spiral Shaped; rigid; external flagella - gram neg Spirochete - A bacterium having a spiral shape; flexible; internal flagella (very thin) - hard to stain (dark field microscopy) Cocci Arrangements -

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3 pages

Written in 2023/2024

Grade A+

SMARTmindUS