Which group of fishes gave rise to the amphibians?
A. Cartilaginous fishes
B. Lobe-finned fishes
C. Jawless fishes
D. Ray-finned fishes
Answer: B
You might also like to view...
What features would enable a doctor to distinguish conclusively between the proliferative and secretory phases of the uterine cycle?
_____ the ratio of estradiol to progesterone _____ ratio of FSH to LH _____ thickened endometrium _____ presence of endometrial glands _____ loss of the endometrium
Viruses can cause damage to infected cells, such as physical damage (e.g. lysis), nuclear inclusions, cytoplasmic inclusions, clumping, etc. These are termed
A) transcriptional effects. B) lysogenic effects. C) cytopathic effects. D) cytogenic effects.
Algae can be found anywhere there is sufficient moisture, favorable temperatures, and ____________ .
A) glucose B) nitrogen C) sunlight
Which of the following is true of telomeres?
A. They have the sequence ATAGGG. B. They are at in the middle of chromosomes. C. Their sequence can change. D. They shorten with each round of cell replication. E. They have the sequence ATAGTG.