All chordates have a notochord, a postanal tail, segmental body wall muscles, a dorsal, hollow nerve cord, and a perforated pharynx
1.True
2.False
1
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What is the main difference between monotremes and eutherians?
A. Monotremes lack the mammary glands that eutherians have. B. Monotremes are ectothermic, while eutherians are endothermic. C. Monotremes lay eggs, while eutherians give birth to live young. D. Monotremes finish developing their young in a pouch, while eutherians develop young in a placenta.
3-phosphoglycerate is to C3 plants as ________ is to C4 plants
Fill in the blank with correct word.
Based on the figure above, which group of organisms is most closely related to members of the Kingdom Animalia?
A) Protista B) Fungi C) Plantae D) Bacteria E) Archaea
Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:
A. homozygous for the normal allele. B. pleiotropic for the sickle cell allele. C. epistatic for the sickle cell allele. D. heterozygous for the sickle cell allele. E. homozygous for the sickle cell allele.