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38 terms

Unit 8 Invertebrates Review

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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