BIOLOGY / UNIT 7 / PRACTICE TEST
CORRECT 100%
The human body has ___________. - ANSWER bilateral symmetry
Which of the following is a gastropod mollusk? - ANSWER slug
What is chordate? - ANSWER a structure that contains a long, semirigid structure called
a notochord, a dorsal nerve cord (a bundle of nerves), a mouth, mouth gills, and muscle
blocks
Fertilization in most fish happens outside their bodies, thus, it is called ___________
fertilization. - ANSWER external
The skeletons of most fish are ________. - ANSWER bony
The complex pattern of innate behavior is __________. - ANSWER instinct
All of these are parasitic roundworms except _____. - ANSWER tapeworms
Most mammals develop with a(n) __________ inside the mother's body. - ANSWER
placenta
What is the term for breeding in fish? - ANSWER spawning
Sharks have ___________ skeletons. - ANSWER cartilage
blastula - ANSWER the developmental stage of an embryo in which a single layer of
cells is surrounded by a space filled with fluid
coelom - ANSWER a body cavity that most animals possess
What are 5 vertebrates? - ANSWER amphibians, fish, reptiles, mammals, birds
Which of the following is a mammal that lays eggs? - ANSWER duck-billed platypus
The special appendages in arachnids that become fangs in spiders and pincers in
scorpions are the _____. - ANSWER chelicerae
cephalopods - ANSWER head-footed mollusks
gastropods - ANSWER stomach-footed mollusks
bivalves - ANSWER mollusks with two shells
CORRECT 100%
The human body has ___________. - ANSWER bilateral symmetry
Which of the following is a gastropod mollusk? - ANSWER slug
What is chordate? - ANSWER a structure that contains a long, semirigid structure called
a notochord, a dorsal nerve cord (a bundle of nerves), a mouth, mouth gills, and muscle
blocks
Fertilization in most fish happens outside their bodies, thus, it is called ___________
fertilization. - ANSWER external
The skeletons of most fish are ________. - ANSWER bony
The complex pattern of innate behavior is __________. - ANSWER instinct
All of these are parasitic roundworms except _____. - ANSWER tapeworms
Most mammals develop with a(n) __________ inside the mother's body. - ANSWER
placenta
What is the term for breeding in fish? - ANSWER spawning
Sharks have ___________ skeletons. - ANSWER cartilage
blastula - ANSWER the developmental stage of an embryo in which a single layer of
cells is surrounded by a space filled with fluid
coelom - ANSWER a body cavity that most animals possess
What are 5 vertebrates? - ANSWER amphibians, fish, reptiles, mammals, birds
Which of the following is a mammal that lays eggs? - ANSWER duck-billed platypus
The special appendages in arachnids that become fangs in spiders and pincers in
scorpions are the _____. - ANSWER chelicerae
cephalopods - ANSWER head-footed mollusks
gastropods - ANSWER stomach-footed mollusks
bivalves - ANSWER mollusks with two shells
