Which of the following organisms has a respiratory system that does not require assistance from a circulatory system for gas exchange?
A) grasshopper
B) mouse
C) carp
D) crayfish
Ans: A) grasshopper
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Which mechanism of genetic transfer utilizes a sex pilus?
A. Transformation B. Transduction C. Conjugation D. All of the answers are correct
Similar families of organisms are next grouped together in the same:a
class. b. kingdom. c. order. d. phylum. e. genu
The accompanying figures are representative of which of the following?
a. Anthophyta
b. Gnetophyta
c. Ginkophyta
d. Cycadophyta
e. Coniferophyta
Asexual reproduction and sexual reproduction are different in that
A) individuals reproducing asexually transmit 100% of their genes to their progeny, whereas individuals reproducing sexually only transmit 50%. B) asexual reproduction produces offspring that are genetically identical to the parents, whereas sexual reproduction gives rise to genetically distinct offspring. C) asexual reproduction involves a single parent, whereas sexual reproduction involves two. D) asexual reproduction only requires mitosis, whereas sexual reproduction always involves meiosis. E) all of the above