Chapter 33 Quiz- Invertebrates

Your page rank:

Total word count: 558
Pages: 2

Calculate the Price

- -
275 words
Looking for Expert Opinion?
Let us have a look at your work and suggest how to improve it!
Get a Consultant

Ectoprocta; Brachiopoda

The two phyla that have characteristic U-shaped alimentary canals and a crown of ciliated tentacles are the ________ and the ________.

phylm Plattyhelminthes

Tapeworms are highly specialized worms that make their living as endoparasites. To which of the following phyla do the tapeworms belong? – phylm Plattyhelminthes – phylum Arthropoda – phylum Nematoda – phylum Mollusca – phylum Annelida

Invertebrates, animals without a backbone; 95%

_________, account for ________ of all known animal species.


Some digestion in sponges takes place in the __________.


The proglottids of a tapeworm contain an elaborate __________ system.

hermaphroditic individuals exchange sperm

During typical earthworm reproduction __________.


Animal species that are threatened by extinction are primarily in the phylum ________.

a chitinous exoskeleton

A major characteristic of arthropods is __________.

They typically live in a marine environment

Which of the following is/are true about polychaete worms? – They typically live in a marine environment. – They have a water vascular system. – They are unsegmented bilaterians. – They are ecdysozoans. – They feed by using nematocysts.


_________ are characteristic of jellies.

with a closed circulatory system

Cephalopods are the only molluscs __________.


Evolutionary adaptations used by plants and animals for maximizing surface area include all of the following except _________. – ballooning – producing projections – branching – folding – flattening

Catenulida; Rhabditophora

The two lineages of the phylum Platyhelminthes are the ________ and the ________.

mesohyl; gelatinous matrix

The ________ is the middle matter of a sponge and is composed of a ________.

have a mouth that is separate from the anus

Annelids __________.

obtaining food

The choanocyte of a sponge and the nematocyst of a cnidarian both function in __________.

filtering small particles from water

Sponges feed by __________.

a tracheal system

In most insects, gas exchange is accomplished by __________.

crown of ciliated tentacles for feeding; larval stage

Characteristic of the clade Lophotrochozoa are features such as a lophophore, which is a(n) _________, and a trochophore, which is a(n) _________.

Tentacles that trap food particles

Through what means do coral animals capture their food?


The phylum __________ has both invertebrate and vertebrate groups.


Invertebrate deuterstomes that are bilaterally symmetrical as juveniles but have radial symmetry as adults are called _________.

the species consists of only females that produce more females from unfertilized eggs

Some species of rotifers undergo parthenogenesis, which means that __________.

muscular foot, a visceral mass, and a mantle

The three main body parts of the phylum Mollusca are a ___________.

totipotent; amoebocyte

The sponge cell type that is ________ and can become other sponge cell types is the _________.

the chitinous exoskeleton cannot grow

In arthropods, molting is necessary because __________.

scyphozoan; anthozoan

In the phylum Cnidaria, jellies are members of the ________ clade and corals are members of the ________ clade.

Cribrostatin; cancer cells and drug-resistant strains of Streptococcus

________ is a compound produced by sponges that can kill ________.


Stages in the complete metamorphosis of arthropods include all of the following except the ________ stage. – nymph – egg – adult – pupa – larva

The bodies of its members are organized around a gastrovascular cavity.

Which of the following is true about the phylum Cnidaria? – The bodies of its members are organized around a gastrovascular cavity. – All of the listed responses are correct. – The bodies of cnidarians are bilaterally symmetrical and show cephalization. – All cnidarians except corals are in the medusa stage. – This phylum has more species than any other phylum.

Share This

More flashcards like this

NCLEX 10000 Integumentary Disorders

When assessing a client with partial-thickness burns over 60% of the body, which finding should the nurse report immediately? a) ...

Read more


A client with amyotrophic lateral sclerosis (ALS) tells the nurse, "Sometimes I feel so frustrated. I can’t do anything without ...

Read more

NASM Flashcards

Which of the following is the process of getting oxygen from the environment to the tissues of the body? Diffusion ...

Read more

Unfinished tasks keep piling up?

Let us complete them for you. Quickly and professionally.

Check Price

Successful message