Which of the following statements is false? a. Blood circulates faster through a fish than through a human. b. Fish have only a two-chambered heart, but humans have a four-chambered heart fully partitioned into two halves. c. Humans
have pulmonary capillaries for uptake
of oxygen, whereas fish have gill capillaries for
this purpose.
d. Blood pressure is lower in the capillary beds
than in the arteries serving them.
e. The circulation of blood in humans is more
efficient than in fish.
Answer: a
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A human cell with a total of 23 chromosomes would be considered:
A. haploid. B. diploid. C. polyploid. D. euploid.
Prior to the divergence of animals, an ancestor is proposed to have developed the key shared trait of all animals, the
A. body form of multicellularity. B. presence of a mouth by which to consume nutrition materials. C. ganglia or brain cells to control all motion. D. embryonic development of the mouth first, from embryonic cells. E. body form of having true tissues.
__________ is a synthetic auxin that stimulates root development on stem cuttings and is used
extensively in asexual propagation. a. Indoleacetic acid b. Indolebutyric acid c. Naphthalene acetic acid d. 2,4-D e. 2,4,5-T
Organism that cannot synthesize needed organic compounds from inorganic substances and therefore must take in organic food.
What will be an ideal response?