Mastering Biology

24 July 2022
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19 test answers

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question
Which of the following options lists the correct sequence of the appearance of the four major groups of plants in the fossil record, from most ancestral to most recent?
answer
bryophytes, seedless vascular plants, gymnosperms, angiosperms
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Which of the following evolutionary adaptations contributed to the ability of bryophytes to colonize land?
answer
waxy cuticle
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What is the function of vascular tissue in plants?
answer
to conduct water and nutrients throughout the plant
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The main evolutionary advantage of pollen is ______________.
answer
the ability to transport male gametes without water
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Which of the following is an example of an angiosperm?
answer
oak tree
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On average, how far do agricultural products travel from farm to plate in the United States?
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Agricultural products travel an average of 1400 miles from farm to plate in the United States. This indicates how much agriculture relies on the use of fossil fuels such as oil to transport various products.
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Today, it takes about ______ Calories of energy to produce about 1 Calorie of food.
answer
55
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When does Cognito Farm use antibiotics on its cattle?
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only when they are sick
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It has been estimated that confined animal feeding operations contribute to about _____ of world carbon dioxide emissions.
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15%
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What is used at Cognito Farm to control fly larvae in the pasture?
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chickens
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Cognito Farm avoids washing chicken carcasses with __________, which is done at many packing plants in the United States.
answer
bleach
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Which of these characteristics is shared by algae and seed plants?
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Both algae and seed plants have cells with chloroplasts.
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Which of these is unique to flowering plants?
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double fertilization
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The male gametophytes of flowering plants are also referred to as _____.
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Pollen grains are male gametophytes.
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In flowering plants the integuments of the ovule develop into a(n) _____.
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The integuments of the ovule develop into a tough seed coat.
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A carpel is composed of _____.
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stigma, style, and ovary
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In flowering plants one megaspore gives rise to _____ nuclei.
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eight haploid
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A stamen consists of _____.
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anther and filament
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In angiosperms, pollination is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species.
answer
Pollen sticks to the sticky stigma.