Unit 8 Invertebrates Review

38 terms by capt10 

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porifera

Phylum for pore-bearers like sponges

cnidaria

Phylum for stinging cells organisms like jellyfish and corals

platyhelmenthes

Phylum for flat worms like planarians and tapeworms

nematoda

Phylum for round worms like pin, heart, and flaria

annelida

Phylum for segmented worms like leeches and earthworms

mollusca

Phylum for soft bodied organisms like scallops, oysters, clams, octopus, squid and snails.

arthropoda

Phylum of organisms with exoskeleton made of chitin and jointed appendages like spiders, centipedes and insects

echinodermata

Phylum of spiny skin organisms like sea stars, sea urchins and sand dollars

multicellular, heterotrophic,
eukaryotic no, cell walls

List four characteristics all animals have in common.

pseudocoelomate

An animal with a body cavity partially lined with mesoderm is termed a _____.

skeleton

The support structure for animals is called the _____.

homeostasis

Maintaining a stable internal environment is called _____________.

asexual

Budding is a type of ___________ reproduction.

blastula

During embryonic development, the hollow ball of cells of an embryo is called a ________________.

nervous, epithelial, muscle, connective

What are the four types of animal tissue?

mesoderm

What germ layer in an animal embryo gives rise to muscles, circulatory, reproductive and excretory systems?

book lungs

Terrestrial invertebrates use mantle cavities, tracheal tubes and ________ as respiratory structures

flatworms

Name an example of an invertebrate the has a body covering that allows for gas exchange?

radial

Jellyfish have what type of symmetry?

filter feeders

Animals which strain plants and animals from the water are called ______________.

decaying plant and animal remains

Detritis feeders like mollusks feed on ______.

closed

A ___________ circulatory system means the blood travels through vessels

malphighian tubules

Many insects like butterflies convert ammonia waste to uric acid in their _____________.

flame cells

Fresh water flat worms like planarians use __________ to remove excess water from body fluids.

molting

Arthropods grow by _______________.

compound eyes

Insects have ______________ eyes which detect colors and images.

hermaphrodite

Having both sex organs at the same time means the organism is a

sponges

_____________ undergo internal fertilization when sperm is taken into the body from the surrounding water.

asexual

Organisms with __________reproduction must have a stable environmental conditions

incomplete metamorphosis

Egg, nymph (small adult-like), adult is an example of __________________.

larva

The worm-like stage in complete metamorphosis is called _____________.

fertilization

The union of an egg and sperm.

gastrulation

The process of a blastula folding inward creating three germ cell layers.

ectoderm

The outer layer of cells that makes sense organs, nerves and outer skin.

endoderm

The inner layer of germ cells that make the gastro-intestinal tract and respiratory system.

acoelamates

Animals with no body cavity are called

coelcomates

Animals with a true body cavity are called

bilateral symmetry

has top, bottom, left and right sides...example grasshopper

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