8. Which of the following is jawless? a. Lungfish b. Shark c. Perch d. Lamprey W

Question

8. Which of the following is jawless? a. Lungfish b. Shark c. Perch d. Lamprey Which of the following are the first animals with amniotic eggs? a. Amphibians b. Mammals c. Turtles, lizards, snakes d. Birds 9. 10. Feathers first evolved in reptiles. Today they are seen in reptile descendants, the.? a. Mammals b. Birds c. Insects d. Crocdilians 11. Which of the following is not an annelid? a. Earthworm b. Tapeworm c. Leech d. Polychaete 12. In which type of the survivorship patterns, does death rate peak early in life? a. Type lI b. Type l c. Type IIl d. b and c 13. Which stage of the demographic transition model is described by the beginning of industrialization, a rise in food production, improvement in health care, rising birth rates, and declining death rates? a. Preindustrial b. Transitional c. Industrial d. Postindustrial

Explanation / Answer

Answer:

8). d. Lampreys

Explanation:

Agnatha are jawless fish. Lampreys and hagfish are in this class.

9). c. Turtles, lizards, snakes

Explanation:

The anamniotes are an informal group comprising the fishes and the amphibians, the so-called "lower vertebrates", which lay their eggs in water. They are distinguished from the amniotes, the "higher vertebrates" (reptiles, birds and mammals), which lay their eggs on land or retain the fertilized egg within the mother. Turtles, lizards & snakes are belongs to reptiles.

10). d. Crocdilians

Explanation:

Crocadilians are belongs to reptiles.

11). b. Tapeworm

Explanation:

Tapeworm belongs to phylum Platyhelminthes.

12).a. Type III

Explanation:

Type I: Death rate peaks late in life
Type II: Death rate varies little with age
Type III: Death rate peaks early in life

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