Zoology Review Game

Characteristics of animals

Heterotrophic, multicellular, lack cell walls, eukaryotic

What are filter feeders?

Animals that strain floating plants and animals from water

What process do simple animals use move oxygen and carbon

dioxide through bodies?

diffusion

Which symmetry shows distinct left and right sides?

bilateral

What is a blastula?

Hollow ball of cells

Which germ layer gives rise to muscles, circulatory and excretory

systems?

mesoderm

Which germ layer gives rise to epidermis?

ectoderm

What substance to sponges produce to protect themselves?

toxins

Do sponges use internal or external fertilization?

internal

What are gemmules and how are they beneficial to sponges?

They are form of asexual reproduction that allow sponge to survive long

periods of harsh conditions

Why are flagella important to sponges?

Help to move water through its body

Why are some sponges green?

They have photosynthetic algae in tissues

What is the function of spicules in sponges?

Focus and direct incoming light

?

How do sponges benefit marine animals?

Provide habitat

How do some sponges play an important role in primary

productivity of reef?

Have symbiotic relationships with photosynthetic organisms

What are cnidocytes and how do they help cnidarian to survive?

Poison darts that paralyze prey

What are the simplest animals to have body symmetry?

Cnidarians

What two functions do nematocysts form?

Defense and capture prey

What are characteristics of cnidarians?

Carnivorous, stinging tentacles arranged around mouth, simplest

animals to have body symmetry; two forms – medusa and polyp

In a hydra, gastroderm and epidermis are separated by the ___________?

mesoglea

How do polyps differ from medusas?

Polyps are cylindrical and usually sessile, medusas are bell-shaped

and motile

The nerve cells of cnidarians make up the ____________?

Nerve net

Cells that sense gravity are called _____________?

statocysts

What is the function of the gastrovascular cavity?

digestion

Why is coral bleaching a serious ecological threat?

Causes corals to die

What is the function of the scolex in tapeworms?

Attach to intestinal wall

What organ grinds food into small pieces in earthworms?

gizzard

?

What is the structure labeled ‘D’ above?

pharynx

What is the animal called?

flatworm

What is the structure in a tapeworm that contains the reproductive organs?

proglottid

In which host does a parasite reproduce asexually?

intermediate host

?

Which type of worm is an external parasite?

leech

What organ releases wastes in earthworms?

nephridia

What is a key difference between roundworms and earthworms?

Earthworms have segments

Why are earthworms beneficial to gardeners?

Tunnel and prove passageways for roots and water

How are larvae of marine animals important?

Part of food chain

Which animals have a true coelom?

Annelids, arthropods, mollusks, chordates

What are the four parts of a mollusks body?

Foot

Mantle

Visceral mass

What is the spade-like burrowing structure of a mollusk called?

radula

What is the radula of a mollusk a modification of?

foot

A pond snail belongs to what group of mollusks?

gastropods

Which group of mollusks is the most active?

cephalopods

What is a detrivore?

Eats dead or decaying plants and animals

Which group of animals contains the most species?

arthropods

What does molting important in arthropods?

Allows them to grow as they shed their skin

What two body parts are important in arthropod classification?

Body segments and appendages

Which appendages are especially important in arthropod classification?

mouthparts

How do you tell the difference between an insect and a spider?

Counts its legs

What two things do spiders and crayfish have in common?

Cephalothorax and abdomen

How do spiders feed?

Suck up liquefied tissues of prey

How many legs does a centipede have per segment?

one

What are the 3 parts of an insects body?

Head, thorax, abdomen

What is an example of an animal that undergoes incomplete metamorphosis?

tick

Which of the following is NOT a stage of complete metamorphosis?

a. nymph b. egg c. larvae

nymph

What body part to insects use to detect minute movements in its environment?

Sensory hairs

How does a nymph and a larvae differ?

Nymph resembles adult but larvae does not

How do honeybees use dancing?

To convey information about food

What would you study to determine whether an animals is a cnidarian or an echinoderm?

Its habitat, see if it has backbone, embryonic development

study embryonic development

In echinoderms, body parts occur in multiples of _______?

five

How are echinoderms like vertebrates (in terms of embryonic development)?

Both are deuterostomes

Which structure in an echinoderm acts like a living suction cup?

Tube foot

What body functions of the echinoderm are the water vascular system involved in?

All except reproduction

What is the classification of a deuterostome based on?

What happens to blastopore

Some type of symmetry is found in all invertebrates EXCEPT

sponges

Which invertebrates have a true digestive tract?

Annelids

What is cephalization?

Concentration of sense organs in the front of the

body

Which invertebrates have radial symmetry?

Cnidarians and echinoderms

What organ carries out gas exchange in insects?

Tracheal tubes

Which of the following animals have an open circulatory system?

Sponge, cnidarian, arthropod

arthropod

What is the function of the excretory system in animals?

Get rid of wastes

What is the importance of expelling waste as uric acid and have moist respiratory

system?

Reduce water loss

Which organs exchange gases in fish?

gills

Which organ in fish adjusts it buoyancy?

Swim bladder

What structure helps fish to detect currents in water?

Lateral line system

What is an example if a jawless fish?

lamprey

What feature distinguishes fishes from amphibians?

scales

What is an amphibian?

Animal that breaths with gills as larvae and lungs as

adults

What organ is missing from adult salamanders?

lungs

What are the only areas that reptiles can not live?

cold

How do reptiles warm themselves?

Bask in sun

What type of fertilization do reptiles have? Internal or external

Internal fertilization

Most reptiles are oviparous or viviparous

oviparous

What part of a bird’s respiratory system stores food before it enters the stomach?

crop

What are characteristics of mammals?

Hair

Give birth to live young

Nourish young with milk

How can you tell difference between egg of reptile and bird’s egg?

Test hardness of outer shell

How can you tell difference between egg of reptile and bird’s egg?

Test hardness of outer shell

What are the three groups of mammals?

Monotremes

Marsupials

Placental mammals

What body system includes the rumen?

digestive

Which group of mammals lays eggs?

monotremes

What do mammals that have baleen feed on?

plankton

What is a marsupial?

Young develops in a pouch

What is an example of a marsupial?

kangaroo

How many chambers does a fish heart have?

Two – one atrium and one ventricle

What animal has a gestational period of two years?

elephant

What is the importance of panting?

Allows animals that can’t sweat to cool down

What is the difference between an endotherm and an exotherm?

Endotherm regulates its body temperature, exotherm can not

Which animal has the most efficient respiratory system?

bird

Why is a one way respiratory system important to birds?

Allows them to be efficient at getting oxygen from air

what is the function of ligaments?

Connect vertebrae (bone to bone)