One current goal of cloning is to ____.
A. duplicate certain humans
B. create new species
C. promote evolution
D. experiment with alien DNA
E. retain an animal’s desirable characteristics
Answer: E
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Which of the following best describes the kind of resource for which individuals may
A. It will most likely be food or some form of nutrient. B. It will most likely be related to space or shelter. C. It will most likely be related to reproduction, such as access to mates. D. It will most likely be related either to food, nutrients, space, or shelter. E. It can be any resource that is limited in the environment.
Which of the following is NOT involved in some
way in the body’s first line of defense? a. urination b. diarrhea c. gastric juice d. complement e. ciliated cells
You come across an organism that you are trying to classify. You know it is a heterotroph and is multicellular, however, in its current state, it is not moving. You have narrowed it down to either being a fungus or an animal, but you are leaning towards fungus. Is this a correct conclusion?
A. Yes, because the traits are consistent with fungus, especially because it is not moving. B. No, because not all animals move when they are adults. C. No, because fungi are autotrophs. D. Yes, because animals are single celled.
Hagfish, lampreys, gnathostomes, mammals, birds, fish, reptiles, and amphibians are all vertebrates and are sometimes referred to as the subphylum Craniata: animals with a cranium. Amphioxus and ascidians are not in Craniata
How does mapping characters associated with the neural crest assist us in understanding the evolution of complex traits? What will be an ideal response?