Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
cnidarians
|
invertebrates that have stinging cells and take food into a central body cavity, radial symmetry; lack organs but have some tissues
|
|
|
sponges
|
asymmetrical invertebrates that have some specialized cells but no tissues or organs; stay in one place and take food into their bodies
|
|
|
insects
|
3 pairs of legs arthropods
|
|
|
earthworm
|
body made up of linked sections
|
|
|
crab
|
crustacean molts its exoskeleton
|
|
|
spiders
|
arachnids 8 legs 4 pairs of legs .
|
|
|
oyster
|
bivalves 2 shells mollusk
|
|
|
tapeworm
|
parasitic flatworm, the adult of which lives in the intestine of humans and other vertebrates.
|
|
|
bilateral symmetry
|
symmetry if only one line of symmetry can be drawn to divide it into halves that are mirror images
|
|
|
radial symmetry
|
if many imaginary lines can be drawn through a central point to divide it into two mirror images
|
|
|
sea star
|
a echinoderm radial symmetry regenerates body parts
|
|
|
endotherm
|
animals body temp who is regulated by internal heat animals produce
|
|
|
ectotherm
|
animals body temp who is determined by heat of its environment
|
|
|
squid
|
cephalopod brain tentacles
|
|
|
fish
|
a vertebrate that lives in water and uses fins to move; most are ectotherms
|
|
|
Amphibian
|
vertebrate that is ectothermic and spends its early life in water and its adult life on land
|
|
|
reptiles
|
an ectothermic vertebate that has scaly skin, lungs, and lays eggs on land
|
|
|
Homeostasis
|
keeping internal body conditions stable
|
|
|
Placental Mammal
|
develops inside its mothers body until its body systems can function independently
|
|
|
Marsupial
|
are born at an early stage of development and they usually continue to develop in a pouch on the mothers body
|
|
|
Cartilage
|
soft flexible tissues instead of bones
|
|
|
Notochord
|
a flexible rod that supports a chordates back
|
|
|
Endoskeleton
|
an internal skeleton
|
|
|
Exoskeleton
|
an outer covering/skeleton
|
|
|
Birds
|
an endothermic vertebrate that lays eggs, has feathers, and a four chambered heart
|
