Which type of symbiosis would exist between a tapeworm living inside a human host while using the host's nutrients for its own gain and detriment to the host?
A. mutualism
B. commensalism
C. benefitism
D. parasitism
Answer: D
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Sea turtles lay their eggs in the sand on the beach. When the sea turtle eggs hatch, the babies migrate to the water without any assistance from the parent. This behavior, in which they are born with, is known as
A. All of the answer choices are correct. B. behavior learned by observation. C. innate behavior. D. learned behavior. E. habituation.
The essence of meiosis is that
a. gametes receive one copy of each member of each pair of homologous chromosomes. b. diploid gametes are formed. c. each gamete receives one member of each pair of homologous chromosomes. d. haploid gametes are formed. e. each gamete receives one member of each pair of homologous chromosomes, and haploid gametes are formed.
A chromosome's gene sequence that was
ABCDEFG before damage and ABFEDCG after is an example of a. inversion. b. deletion. c. duplication. d. translocation. e. aneuploidy.
The appearance of gram-negative bacteria after addition of the mordant in the Gram stain.
a. Purple b. Red c. Colorless d. Brown