Birds are ___________________, while turtles are _________________.
a. vertebrates; invertebrates
b. ectotherms; endotherms
c. mammals;reptiles
d. endotherms; ectotherms
e. reptiles;amphibians
Ans: e. reptiles;amphibians
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In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as:
A. binary fission B. mitosis C. fusion D. meiosis E. cytokinesis
The hormone ___ released from the ___ causes uterine contractions that facilitate childbirth
A. oxytocin; posterior pituitary B. oxytocin; anterior pituitary C. estrogen; ovaries D. progesterone; uterus E. prolactin; anterior pituitary
Skeletal muscle can operate anaerobically for short periods, producing ________ and a small amount of ATP
a. lactate b. pyruvate c. creatine d. phosphate
Which of the following is NOT true of
protists?
a. They may reproduce sexually. b. Most have mitochondria. c. Some reproduce asexually by binary fission. d. Most protists are unicellular organisms, but some are multi-celled species. e. Some protists are photoautotrophs