Biology-Chapter 33

24問 • 1年前

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問題一覧

Which of the following characteristics do all insects exhibit?

they have an exoskeleton or cuticle

Which of the following combinations correctly matches a phylum to its description?

Echinodermata–bilateral symmetry as a larva, water vascular system

Which of the following statements is correct with respect to the evolutionary relationship between chordates and invertebrates?

Chordates are more closely related to echinoderms than to arthropods.

Soft-shell crab is a prized dish in many ocean-side resorts. Which of the following statements provides the best explanation for the soft shell of the crabs?

The crab has just molted and the new exoskeleton has not yet hardened.

If you brush your fingers along the tentacles of a sea anemone, which of the following are you most likely to find upon microscopic examination of your fingers?

nematocysts

Which of the following statements describes sponges?

they have larvae that are motile and move via the motion of flagella

Which of the following characteristics is exhibited by the water vascular system of echinoderms?

it functions in locomotion and feeding

A land snail, a clam, and an octopus all share ________.

a mantle

Which structure do sea slugs use to feed on their prey?

a radula

Which of the following characteristics is exhibited by most hydrozoans?

both polyps and medusa forms

Which of the following animal groups is entirely aquatic?

Echinodermata

Against which of the following do the circular and longitudinal muscles of annelids work?

hydrostatic skeleton

Which one of these mollusc groups is classified as suspension feeders?

bivalves

You find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. Which of the following characteristics would allow you to make this distinction?

poisonous claws

Which of the following statements best explains how planarians can survive and thrive without respiratory or circulatory systems?

none of their cells are far removed from the gastrovascular cavity or from the external environment

Which of the following characteristics is shared by both cnidarians and flatworms?

a digestive system with a single opening

You find what you believe is a new species of animal. Which of the following characteristics would enable you to argue that it is more closely related to a nematode than it is to an annelid?

It has a hemocoel.

Which of the following statements applies to both nematodes and arthropods?

grow in conjunction with shedding of their exoskeleton

Which of the following statements correctly describes one difference between nematodes and arthropods?

arthropods have an open circulatory system while nematodes do not have a circulatory system

Which of the following feeding strategies is most likely to be used by aquatic organisms?

filter feeding

Which of the following structures can be found in the mesohyl of a sponge?

amoebocytes and spicules

Which phylum is characterized by animals that have a segmented body?

Arthropoda

The presences of which of the following anatomicals would best distinguish a gastropod from a chiton?

dorsal plates

Which of the following combinations of phylum and description is incorrect?

Porifera–gastrovascular cavity, coelomate

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quiz 1 for biochem

quiz 1 for biochem

問題一覧

Which of the following characteristics do all insects exhibit?

they have an exoskeleton or cuticle

Which of the following combinations correctly matches a phylum to its description?

Echinodermata–bilateral symmetry as a larva, water vascular system

Which of the following statements is correct with respect to the evolutionary relationship between chordates and invertebrates?

Chordates are more closely related to echinoderms than to arthropods.

Soft-shell crab is a prized dish in many ocean-side resorts. Which of the following statements provides the best explanation for the soft shell of the crabs?

The crab has just molted and the new exoskeleton has not yet hardened.

If you brush your fingers along the tentacles of a sea anemone, which of the following are you most likely to find upon microscopic examination of your fingers?

nematocysts

Which of the following statements describes sponges?

they have larvae that are motile and move via the motion of flagella

Which of the following characteristics is exhibited by the water vascular system of echinoderms?

it functions in locomotion and feeding

A land snail, a clam, and an octopus all share ________.

a mantle

Which structure do sea slugs use to feed on their prey?

a radula

Which of the following characteristics is exhibited by most hydrozoans?

both polyps and medusa forms

Which of the following animal groups is entirely aquatic?

Echinodermata

Against which of the following do the circular and longitudinal muscles of annelids work?

hydrostatic skeleton

Which one of these mollusc groups is classified as suspension feeders?

bivalves

You find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. Which of the following characteristics would allow you to make this distinction?

poisonous claws

Which of the following statements best explains how planarians can survive and thrive without respiratory or circulatory systems?

none of their cells are far removed from the gastrovascular cavity or from the external environment

Which of the following characteristics is shared by both cnidarians and flatworms?

a digestive system with a single opening

You find what you believe is a new species of animal. Which of the following characteristics would enable you to argue that it is more closely related to a nematode than it is to an annelid?

It has a hemocoel.

Which of the following statements applies to both nematodes and arthropods?

grow in conjunction with shedding of their exoskeleton

Which of the following statements correctly describes one difference between nematodes and arthropods?

arthropods have an open circulatory system while nematodes do not have a circulatory system

Which of the following feeding strategies is most likely to be used by aquatic organisms?

filter feeding

Which of the following structures can be found in the mesohyl of a sponge?

amoebocytes and spicules

Which phylum is characterized by animals that have a segmented body?

Arthropoda

The presences of which of the following anatomicals would best distinguish a gastropod from a chiton?

dorsal plates

Which of the following combinations of phylum and description is incorrect?

Porifera–gastrovascular cavity, coelomate