Which of the following is an example of adaptation, one of the characteristics of life?
A. The evolutionary changes that occur to a species
B. Sexual reproduction
C. Organismal organization
D. Metabolism
A. The evolutionary changes that occur to a species
You might also like to view...
While lancelets, members of the lineage ____, live mostly buried in the sand in warm, shallow marine habitats, they
do have well-developed segmented muscles and can move.
a. Petromyzontoidea b. Placodermi c. Cephalochordata d. Urochordata e. Myxinoidea
Skeletal muscle cells have ____ and are controlled by ____
a. many nuclei; the somatic nervous system b. many nuclei; the autonomic nervous system c. one nucleus each; the autonomic nervous system d. one nucleus each; the somatic nervous system e. two nuclei each; the somatic nervous system
Many antibiotics cause mispairing between codons and anticodons. What fatal effect would this mispairing have on the cell?
What will be an ideal response?
Why does an embryo with a balanced translocation have the same chance for normal development that an embryo with a normal karyotype has?
A. The translocation stimulates DNA repair mechanisms to correct the problem before commitment occurs. B. The embryo's somatic cells are unaffected, expressing a normal karyotype; only germline cells express the translocation. C. Although the location of the genetic material is abnormal with a balanced translocation, there are no missing or extra alleles. D. When a zygote with a balanced translocation reaches the embryo stage without a spontaneous abortion, the risk for abnormal development decreases.