Question 1

An organism that can fly and has an exoskeleton must be

Accepted Answer

A) a member of the Chordata. 
B) an echinoderm. 
C) an insect. 
D) a polychaete. 
A) a member of the Chordata. 
B) an echinoderm. 
C) an insect. 
D) a polychaete.

Question 2

Different species of brittle stars (echinoderms)have different feeding mechanisms. When a species of brittle star feeds by using tentacle-like appendages to capture large food particles, it is using which of the following feeding mechanisms?

Accepted Answer

A) radula for feeding 
B) suspension feeding 
C) clawlike appendages for feeding 
D) nectar feeding 
A) radula for feeding 
B) suspension feeding 
C) clawlike appendages for feeding 
D) nectar feeding

Question 3

Which of the following animals displays radial symmetry?

Accepted Answer

A) a worm 
B) a sea anemone 
C) a fish 
D) a lobster 
A) a worm 
B) a sea anemone 
C) a fish 
D) a lobster

Question 4

Tapeworms are similar to fungi in that

Accepted Answer

A) they have cell walls made of chitin. 
B) they are sessile autotrophs. 
C) they feed by absorption. 
D) they inhabit marine, damp terrestrial, and freshwater habitats. 
A) they have cell walls made of chitin. 
B) they are sessile autotrophs. 
C) they feed by absorption. 
D) they inhabit marine, damp terrestrial, and freshwater habitats.

Question 5

After reading the paragraphs below, answer the questions that follow.
Corals belong to phylum Cnidaria. The reefs themselves are made up of millions of polyps, each of which secretes a calcium carbonate skeleton that becomes part of the reef structure. Corals, which are attached to the reef as adults, have free-swimming larvae that develop into new polyps.
Corals are actually colorless. The brilliant colors that are visible on the reef come from the zooxanthellae (microscopic algae) that live within their body tissues. The zooxanthellae and corals have a symbiotic relationship in which corals provide carbon dioxide and mineral nutrients (released as wastes from coral digestion) to the zooxanthellae. The zooxanthellae perform photosynthesis. Photosynthesis produces nutrients (in the form of sugars) for the coral and also releases oxygen. This relationship supplements energy from predation and allows corals to survive in clear tropical water, even though these areas have very low nutrient levels.
-What advantage do free-swimming larvae confer on reef-building corals?

Accepted Answer

A) providing reef-building corals with a defense against fishes and other predators 
B) allowing reef-building corals to establish colonies in the deep ocean 
C) increasing survival since coral larvae have exoskeletons of chitin 
D) allowing reef-building corals to expand their populations into new habitats 
A) providing reef-building corals with a defense against fishes and other predators 
B) allowing reef-building corals to establish colonies in the deep ocean 
C) increasing survival since coral larvae have exoskeletons of chitin 
D) allowing reef-building corals to expand their populations into new habitats

Question 6

Coral reefs are

Accepted Answer

A) shells of Mollusca that have been converted to rock by geological processes. 
B) hard external skeletons secreted by coral animals (Cnidaria). 
C) marine rocks that often are used as attachment places by Cnidaria. 
D) hardened sugars that are secreted by algae. 
A) shells of Mollusca that have been converted to rock by geological processes. 
B) hard external skeletons secreted by coral animals (Cnidaria). 
C) marine rocks that often are used as attachment places by Cnidaria. 
D) hardened sugars that are secreted by algae.

Question 7

Invertebrate diversity contributes to all of the following except

Accepted Answer

A) medicines. 
B) food sources for humans. 
C) bioremediation. 
D) cosmetics. 
A) medicines. 
B) food sources for humans. 
C) bioremediation. 
D) cosmetics.

Question 8

How do sponges transport nutrients within their bodies?

Accepted Answer

A) They have simple digestive and circulatory systems composed of spongin. 
B) They rely on diffusion to move nutrients between their cells. 
C) Their mobile amoebocytes transport food molecules from cell to cell. 
D) They are not able to transport nutrients within their bodies but must independently absorb all necessary nutrients from the surrounding water. 
A) They have simple digestive and circulatory systems composed of spongin. 
B) They rely on diffusion to move nutrients between their cells. 
C) Their mobile amoebocytes transport food molecules from cell to cell. 
D) They are not able to transport nutrients within their bodies but must independently absorb all necessary nutrients from the surrounding water.

Question 9

Which of the following groups has a series of similar segments that make up most of the body?

Accepted Answer

A) millipedes 
B) crustaceans 
C) scorpions 
D) insects 
A) millipedes 
B) crustaceans 
C) scorpions 
D) insects

Question 10

You find a small, elongated animal embedded in the sand with one end sticking out. Among other things, it has segmental musculature, a coelom, a notochord, and a complete digestive tract with an anus located partway down the body. This animal is

Accepted Answer

A) an annelid. 
B) a larval echinoderm. 
C) either a larval echinoderm or a chordate. 
D) a chordate. 
A) an annelid. 
B) a larval echinoderm. 
C) either a larval echinoderm or a chordate. 
D) a chordate.

Question 11

Which of the following are threats to the biodiversity of invertebrates?

Accepted Answer

A) habitat destruction 
B) non-native (invasive)species 
C) habitat degradation 
D) habitat destruction, non-native (invasive)species, habitat degradation 
A) habitat destruction 
B) non-native (invasive)species 
C) habitat degradation 
D) habitat destruction, non-native (invasive)species, habitat degradation

Question 12

Caddisflies are insects that lay their eggs on the bottom of streams. The eggs mature into larvae, and eventually the larvae pupate, move to the surface of the stream, shed their pupal membranes, and emerge as winged adults. Caddisflies demonstrate

Accepted Answer

A) incomplete metamorphosis. 
B) complete metamorphosis. 
C) alteration of generations. 
D) animal diversification. 
A) incomplete metamorphosis. 
B) complete metamorphosis. 
C) alteration of generations. 
D) animal diversification.

Exam 18: The Evolution of Invertebrate Diversity

An organism that can fly and has an exoskeleton must be

Different species of brittle stars (echinoderms)have different feeding mechanisms. When a species of brittle star feeds by using tentacle-like appendages to capture large food particles, it is using which of the following feeding mechanisms?

Which of the following animals displays radial symmetry?

Tapeworms are similar to fungi in that

Coral reefs are

Invertebrate diversity contributes to all of the following except

How do sponges transport nutrients within their bodies?

Which of the following groups has a series of similar segments that make up most of the body?

You find a small, elongated animal embedded in the sand with one end sticking out. Among other things, it has segmental musculature, a coelom, a notochord, and a complete digestive tract with an anus located partway down the body. This animal is

Which of the following are threats to the biodiversity of invertebrates?

Caddisflies are insects that lay their eggs on the bottom of streams. The eggs mature into larvae, and eventually the larvae pupate, move to the surface of the stream, shed their pupal membranes, and emerge as winged adults. Caddisflies demonstrate

Biology: Exploring Life

The Chemical Basis of Life

The Molecules of Cells

A Tour of the Cell

The Working Cell

How Cells Harvest Chemical Energy

Photosynthesis: Using Light to Make Food

The Cellular Basis of Reproduction and Inheritance

Patterns of Inheritance

Molecular Biology of the Gene

How Genes Are Controlled

DNA Technology and Genomics

How Populations Evolve

The Origin of Species

Tracing Evolutionary History

Microbial Life: Prokaryotes and Protists

The Evolution of Plant and Fungal Diversity

The Evolution of Vertebrate Diversity

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Gas Exchange

Circulation

the Immune System

Control of Body Temperature and Water Balance

Hormones and the Endocrine System

Reproduction and Embryonic Development

Nervous Systems

the Senses

How Animals Move

Plant Structure, Growth, and Reproduction

Plant Nutrition and Transport

Control Systems in Plants

the Biosphere: an Introduction to Earths Diverse Environments

Behavioral Adaptations to the Environment

Population Ecology

Communities and Ecosystems

Conservation Biology

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