Give the bird-like and reptile-like features of Archaeopteryx? What will be an ideal response?
Like a bird, Archaeopteryx had feathers and wings. Like a reptile it had a bony tail, clawed fingers and
teeth. It is truly a classic example of a “transitional form.
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What is basal metabolic rate?
a. the rate at which the body uses energy when exercising b. a measurement designed to assess increased health risk associated with weight c. the amount of calories consumed in one day d. the rate at which the body uses energy when you are at rest e. the rate at which energy is stored within the body
What is the MOST appropriate unit of measurement for MOST types of cells?
A) picometers B) centimeters C) micrometers D) nanometers E) angstroms
Which of the following Excavata members have hydrogenosomes?
A. Euglenozoa B. Fornicata C. Trichomonadida D. Trichonymphida
Molecular-based phylogies place the phylum Platyhelminthes in the Protostomia. How do scientists best explain the morphological differences between flatworms and the other members of the Lophotrochozoa?
A. Modern Platyhelminthes do not have a coelom but did originate from an ancestor that had one. B. The Platyhelminthes clade separated from other clades before coeloms evolved and consequently Platyhelminthes have never had a coelom. C. Platyhelminthes evolved from an ancestor without a coelom but developed one during the course of their evolution. D. Some Platyhelminthes have a coelom but others do not and it is difficult to conclude anything about its evolution within the clade. E. Platyhelminthes originated from ancestors with a coelom and have retained it to the present time.