Question 68 0 out of 1 points the phylum chordata

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Question 680 out of 1 pointsThe Phylum Chordata contains animals with notochords or backbones.Fish, reptiles, amphibians and mammals are examples of the manyanimals in the phylum Chordata. Which of these chordates are mostclosely related? Chordates in the same:
sCorrectAnswer:d.speciesQuestion 690 out of 1 pointsWhich of the following is not a basic criteria to be included into class Mammalia?
Question 701 out of 1 pointsWhich of the following structural adaptions might you find on a plantadapted to hot dry climates?
Question 710 out of 1 pointsHomologous structures, molecular data and fossils are used to construct:
Question 721 out of 1 pointsWhat is the ecological significance of plants in a community?
CorrectAnswer:d.All of theaboveQuestion 730 out of 1 pointsWhich two organ systems work together to maintain homeostasis byregulating pH?
Question 741 out of 1 pointsPlants can produce sexually as well as asexually. What is the primary advantage toreproducing sexually
Question 750 out of 1 pointsMajor geologic changes such as movement of techtonic plates, mountain building,emergence and disappearance of oceans may be associated with evolutionary eventssuch as:
Question 761 out of 1 pointsWhich of these is an example of the relationship between geologicchange and evolutionary trends?
Answer:Increase or decrease inbody sizeCorrectAnswer:c.Increase or decrease inbody size
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