Which of the following is thought to be adaptive predatory behavior? Select all correct
A. cephalization
B. jaws
C. teeth
D. tongue
A,B,C,D
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Cone cells most likely evolved from:
A. rhodopsin B. retinal C. rod cells D. ommatidia
Symptoms of plague appear in
A. two to three months. B. one to two years. C. three to six hours. D. one to six days.
All of the following are true about this image EXCEPT:
a. DNA replication has occurred. b. One pair of homologous chromosomes is present. c. The trait represented is heterozygous. d. The genotype is either pp or PP.
During reproduction, angiosperms undergo a process known as double fertilization. During this process one sperm and egg combine to form the future embryo, while the other sperm fuses with the diploid nucleus to produce what?
a. stamen b. pistil c. endosperm d. cotyledons