animal diversification
1. Which of these animals is a tetrapod that does not produce amniotic eggs? a. Salamander b. Human c. Monkey d. Elephant Python
a
1. the phylum Arthropoda includes all the following kinds of animals except: a. snails b. crabs c. crayfish d. butterflies e. scorpions
a
1. Which came first, the chicken or the egg? a. The chicken because the amniotic egg did not evolve until the first chicken appeared b. The egg, because the amniotic egg evolved well before the first birds c. The chicken because during speciation, the adult stage always precedes the juvenile stage d. The egg because the chicken is not a real species It is impossible to determine because eggs leave no fossils
b
1. Which of the following characteristics distinguishes all chordate from all other animals? a. A vertebral column b. A dorsal hollow nerve cord c. Collar cells d. Bilateral symmetry during embryonic or larval development An amniotic egg
b
1. for which of the following groups of organisms is it most difficult to estimate species numbers? a. Bees, wasps, and ants b. Bacteria c. Tropical trees d. Beetles Mammals
b
1. The lineage that first separated from the common ancestor of all animals and retains many of those primitive features to this day, includes which of the following modern organisms? a. The grasshopper b. The jellyfish c. The sponge d. The earthworm e. The sea turtles
c
1. Why is the amniotic egg considered a key evolutionary innovation? a. It prohibits external fertilization, thereby facilitating the evolutionary innovation of internal fertilization b. It has an unbreakable shell c. It greatly increases the likelihood of survival of the eggs in a terrestrial environment d. It enables eggs to float in an aquatic medium
c
1. the mollusks mantle is used primarily for: a. feeding b. gas exchange c. producing the shell d. excretion e. reproduction
c
1. According to the fossil record, the first modern humans- Homosapiens- appeared approximately how many years ago? a. 6 million b. 6,000 c. 190 million d. 200,000 e. 1 million
d
1. In cnidarians, cnidocytes are primarily used for: a. Creation of water flow across the body wall b. formation of free-living medusas c. secretion of digestive enzymes d. prey capture and defense e. muscular contraction during movement
d
1. The type of adaptation most likely to occur over evolutionary time is on that: a. Increases the physiological complexity and sophistication of the individuals in a population b. Increases the individuals in a population to have greater intelligence c. Causes the individuals in a population to more closely resemble humans d. Causes the individuals in a population to more efficiently reproduce in the environment in which they live
d
1. Which of the following are chordates? a. Fishes b. Humans c. Frogs d. All of the following are e. And A and C
d
1. Marsupials and which of the following groups combine to make a monophyletic group? a. Birds b. Carnivores c. Primates d. Monotremes e. Placental mammals
e
1. Sponges are sessile, meaning that they: a. Reproduce asexually b. Are parasitic and depend on their host for a constant supply of nutrients c. Have exoskeletons that they must shed as they grow d. Live in shells they find on the ocean floor e. Live attached to a solid structure and don't move around
e
1. Which of the following echinoderms has radial symmetry during its larval stage? a. Sea star b. Brittle star c. Sea urchin d. Sand dollar e. None of these
e
1. Which of the following is not a characteristic of all animals? a. They can move at some point in their life b. They het their energy by eating other organisms c. They are multicellular d. They are sexually reproducing at some point in their life cycle All of the above are characteristics
e