Haplodiploidy can occur in which animals?
a. fish
b. rodents
c. spiders
d. birds
c. spiders
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A researcher collected a single-celled organism from birdbath water and grew the organism in a laboratory. The researcher observed the organism reproducing by cell division, which resulted in identical offspring generations. This organism exhibits a form of
A. sexual reproduction, mixing genetic material from the parent cells. B. asexual reproduction. C. a form of reproduction occurring only in bacteria. D. sexual reproduction of fungi. E. evolution of each new generation produced.
Osteoclasts function in bone remodeling to
a. free mineral ions. b. stimulate blood cell formation. c. accelerate bone repair. d. lay down a bony matrix. e. do all of these
The genetic information in a chromosome is enclosed in the nucleotides sequence of the molecule
a. true b. false
Which of the following is a disadvantage for animals living in groups?
A) Increased chance of being spotted by predators B) Reduced chance of finding a mate C) Decreased risk of disease D) Lower efficiency in finding food