Chapter 10: Biodiversity 3- Animals
How many of the animal phyla include single-celled animals?
0
What is the main difference between amphibians and reptiles?
Amphibians are tied to water for reproduction, while reptiles have amniotic eggs that can survive on dry land.
Serial repetition of segments is a defining characteristic of which worm phylum?
Annelids
Which arthropod subgroup includes the spiders?
Arachnids
The first animals evolved from ________.
Colonies of protists
Although exceptions do exist, which is a distinctively amphibian trait? A. Juveniles have gills, adults have lungs. B. Respiration occurs through the skin. C. Skin is smooth with no scales, feathers, or hair. D. All of these are distinctive amphibian traits.
D. All of these are distinctive amphibian traits.
What do sponges and cnidarians have in common? A. Mobility B. Organization of cells into tissues C. Symmetry D. None of the above
D. None of the above
Humans belong to which subgroup of mammals?
Eutherians
All three of the worm phyla are characterized by segmented bodies
False
Which one of the following is a defining characteristic of animals but not of plants?
Heterotrophic
Which arthropod subgroup includes those with six legs?
Insects
Which subgroup of mammals raises their young in pouches?
Marsupials
Some restaurants serve seafood platters that contain oysters, mussels, and clams. Such platters therefore consist of ________.
Mollusks
Which phylum is most closely related to the arthropods?
Round worms
Which of the following phyla is the most diverse and numerous?
The arthropods
Which of the following best describes sponges?
They are asymmetrical, lack tissues, and do not move.
Which of the following best describes mollusks?
They are bilaterally symmetrical and have a soft body sometimes covered with a shell.
Which of the following best describes cnidarians?
They have radial body symmetry, tissues, and stinging cells.
Birds are a type of reptile.
True
Echinoderms use seawater instead of blood in their circulatory systems
True
All vertebrates have ________.
a skull and backbone
This character is found in all arthropods.
an exoskeleton made of chiton
Flatworms are most closely related to the ________.
annelids
The echinoderms are most closely related to the ________.
chordates
All mammals ________.
have mammary glands
Which group of fishes evolved first?
jawless fishes
What do sharks have in common with goldfish?
lateral line system
Sponges are found ________.
mostly in seawater
Gastropods are the most numerous group of mollusks and include the ________.
snails and slugs
