makeup test Flashcards
parazoans have no definite symmetry
true
a true coelom is formed from endodermal cells
false
where does a true coelom formed from?
the mesoderm
modern humans originated from western africa
false
protostomes develop mouth first from or near the blastopore
true
coelomate have a body cavity between the mesoderm and endoderm
false
athropod
protostome
mollusks
protostome
chordates
deuterostome
platyomenthis
protostome
echinoderm
deuterostome
which is the most successful animal group
arthropod
which set lists the animal adaptions in oder from earliest to most recent?
no symmetry,
radial symmetry,
bilateral symmetry,
back bones
most animals are
invertebrates
which is an example of a cnidarian
jellyfish
a clam is what
mollusk
chordate group includes which animals ?
vertebrates
all animals are descended from
ancestral protist
which group contains a species that is not a hominoid
human, chimpanzee, homo melanin, home erectus
the fossil remains of artipithicus radius showed
the ability to walk upright preceded the evolution of a larger brain
who is mitochondrial eve?
african maternal ancestry of all humanity to date
hominoids include
living and extinct great apes, humans, orangutans, chimps, and gorillas
animals are the _____ of the earth
consumers
what are the 5 key transitions in animal evolution
- tissues
- symmetry
- body cavity
- development
- segmentation
_______are the simplest animals that lack defined tissues and organs and symmetry
Parazoa (sponges)
___________ (all other animals) have distinct and well-defined tissues and symmetry
eumetazoa
what are the 2 main types of symmetry
radial and bilateral
body parts arranged around a central axis ; can be bisected into 2 separate halves
radial symmetry
body has right and left halves that are mirror images
bilateral symmetry