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107 Cards in this Set

  • Front
  • Back

Humans are this type of animalia

Chordates

Humans are closest to this phylum.

Echinoderm

Humans are furthest from this phylum.

Porifera

Sponges

Porifera

Jelly fish/ sea anemonies

Cnidarians

Flatworms

Platyhelminthes

Parasitic roundworms

Nematodes

Octopus, mussels, land snail

Mollusc

Seastar

Echinoderm

Hexapoda, cheliceriform, crustacea, myriapoda

Anthropoda

Segmented worms

Annelida

Cats

Chordata

This is a body cavity surrounding the gut

Coelom

This allows muscles to grow independently of the body wall.

Coelom

This provides structure to aid movement

Coelom

This allows more efficient circulation of nutrients and waste removal

Coelom

All vertebrates are this.

Chordata

Not all chordata are this.

Invertibrates

All of these have jointed feet\appendeges

Anthropoda

3 pairs of legs, 1 pair anntenae

Hexadopa

Insects

Hexadopa

4 pairs of legs, pinchers

Cheliceriforms

5-7 pairs of legs ans 2 pairs of anntenae

Crustacea

Lots of legs, 1 pair if antennae

Myriapoda

Insects

Hexapoda

Spiders

Cheliceriforms

Crabs and shrimp

Crustacea

Centipedes

Myriapoda

No identical sides. Sponges

Asymmetrical

Cells that line the internal chambers of sponges

Choanoytes

Organ of digestion and circulation

Gastrovascular cavity

A partial coelom

Pseudocoelom

A space that holds the organs of molloscs

Mantle

Mollosc teeth

Radula

Projecting part of an invertibrate

Appendage

External skeleton

Exoskeleton

Internal skeleton

Endoskeleton

Used by echinoderms. Small, hollow apendeges used for collecting food and for movement.

Tube feet

Rod between the nerve cord and the gut

Notochord

This gave rise to the verticle column

Notochord

4 main stages of digestion

Ingestion, digestion, absorption, elimination

Large pieces of food by mouth

Bulk feeding

Example of bulk feeder

Human

Filter feeder

Mosquito

What kind of feeders are muscles and clams and some whales?

Filter feeders

When molecules are broken down in individual cells

Intracellular

When molecules are broken down outside the cells in specialized compartments

Extracellular

In humans, food is broken down before it is __________________

Absorbed

Uptake of large solid particles into a cell by endocytosis

Phagocytosis

This is an incomplete gut

Gastrocascular cavity

2 animals with gastrovascular cavity

Cnidarians and platyhelminthes

These dont have true tissues

Porifera

These have radial symmetry

Cnidarians

These have no body cavity or organs but do have a central nervous system

Platyhelminthes

Roundworms

Annelidas

Soft body protected by hard shell

Molluscs

Roundworms and parasites

Nemotodes

Hexatopa, crustaceans

Arthropods

These have segmented and jointed appendeges

Arthropods

These have bilateral babies

Echinoderms

Most of these have bachbones

Chordates

What makes sponges different from humans, sponges are ______________

Aquatic

These lack true tissue

Porifera

Thesenuse choanocytes toengulf their food and eat through phagocytosis

Porifera

These have true tissues, radial symmetry, gastrovascular cavity and are carnivorous

Cnidarians

Cnidarians use these to capture prey and push it into their gastrovascular cavity.

Tentacles

The ____________ step in cnidarian feeding. _____________________ in the ________________ breakdown the prey.

First, enzymes, cavity

The _____________ stage of cnidarian feeding. _________________lining the ________________ absorb the ____________________.

Second, cells, cavity, nutrient.

____________________stage of cnidarian feeding. ____________________particles are _______________through the ______________/ __________________

Third. Undigested particles, expelled, mouth/anus

Teeth of molluscs

Radulla

worms. they have a coelom

annelids

these have two pairs of antennae

crustaceans

some of these have wings

hexatrops


echinoderms and chordata both have

endoskeletons

echinoderms and chordata both have similar _______ __________________. Which is radial clevage and anus from blastopore

DNA development

both chordates and echinoderm babies have this

bilateral symmetry

What is bilateral, has a coelomate and has segmented bodies?

Chordata

what makes chordates different from other animals. these are present in all chordate embryos

notochord

this provides skeletal support in chordates

notochord

in humans, notochords are fibrous discs inbetween the

vertibrae

Apart form notochords, chordates have a dorsal _________________ __________________ ____________________. This develops into central nervous system

hollow nerve cord.

these types of animals use a filtering structure to obtain food

filter feeder

this type of digestion uses food vaculoes where hydrolic enzymes break down food?

intracellular digestion

intracellular digestion begins after a cell engulfs food by ____________________.

phagocytosis

the second step of digestion by poriferas. _____________________ fuse with food vacuoles. These orgenelles contain ____________________ _________________________.

lysosomes, digestive enzymes.

what animal digests its food via intracellular digestion?

sponges

advantage of extracellular digestion?

animals can ingest much larger particles of food.

this is a digestive compartment with only one opening.

Gastrovascular cavity

2 functions of a gastrovascular cavity.

digestion, distribution of nutrients

carnivores have sharp, pointed ____________________

incisors

these have pre molars and molars that crush and shred food

carnivores

some of these don't even have canines

herbivores

these have teeth for biting, tearing, grinding and crushing

omnivores

who has a longer gut?

herbivores

why do herbivores have longer guts?

vegetation is difficult to digest

animals like koalas and elephants, their microorganisms are where?

cecum

this is when food passes through the digestion system 2 times

Coprophagy

what animal practices coprophagy?

rabbits

what kind of animal has a ruminant digestive system?

cow

how many chambers are in ruminant digestion?

4

what is the first chamber called in rumanant digestion?

ruman

the partially digested food of a ruminant animal is called what?

Cud

1. ___________________ 2. chew cud 3. omasum (water removal) 4. abomasum (enzyme digestion)

Rumen and reticulum

1. rumen & reticulum 2. _______________3. omasum (water removal) 4. abomasum (enzyme digestion)

chew cud

1. rumen & reticulum 2. chew cud 3. ___________________ 4. abomasum (enzyme digestion)

omasum (water removal

1. rumen & reticulum 2. chew cud 3. omasum (water removal) 4. _________________________

abomasum (enzyme digestion)

feces of rabbits get rid of nutrients that are a by product of what?

large intestine