depth perception
Forward- looking eyes close together on the face, providing ________= binocular vision.
Ovoviviparous
________: The embryo develops within the uterus and is nourished by the egg yolk.
Amniotes
________: tetrapods that have a terrestrially adapted egg.
aquatic gnathostomes
In ________, the lateral line system, which is sensitive to vibrations.
Chordates
________ have a tail posterior to the anus.
Gnathostomes
________: vertebrates that have jaws.
separate movement
A neck, which allows ________ of the head.
Oviparous
________: Eggs hatch outside the mothers body.
tail
The ________ contains skeletal elements and muscles.
swim bladder
Fishes control their buoyancy with an air sac known as a(n) ________.
flat nails
Most primates have hands and feet adapted for grasping, and ________.
Developmental change
________ prevented ossification of cartilage.
amniotic egg
The ________, which contains membranes that protect the embryo.
Pharyngeal clefts
________: grooves in the pharynx that develop into slits that open to the outside of the body.
Notochord
________: a longitudinal, flexible rod between the digestive tube and nerve cord.
aquatic craniates
In ________ the pharyngeal clefts evolved into gill slits.
Mammals
________: amniotes that have hair and produce milk.
Craniates
________ have a heart with at least 2 chambers, red blood cells with hemoglobin, and kidneys.
embryonic development
In many species, the tail is greatly reduced during ________.
Tetrapods
________: gnathostomes that have limbs.
extraembryonic membranes
The ________ are the amnion, chorion, yolk sac, and allantois.
skeletal support
It provides ________ throughout most of the length of a chordate.
Shark eggs
________ are fertilized internally but embryos can develop in different ways.
nerve cord
The ________ develops into the central nervous system: the brain and the spinal chord.
Chordates
________ have a notochord and a dorsal, hollow nerve cord.
amniotic eggs
The ________ of most reptiles and some mammals have a shell.
Gnathostomes
________ have jaws that might have evolved from skeletal supports of the pharyngeal slits.
Craniates
________: chordates that have a head.
Amniotes
________ have other terrestrial adaptations, such as relatively impermeable skin and the ability to use the rib cage to ventilate the lungs.
Craniates
________ have two clusters of Hox genes; lancelets and tunicates have only one cluster.
Gnathostomes
________ include sharks and their relatives, ray- finned fishes, lobe- finned fishes, amphibians, reptiles (including birds), and mammals.
Amniotes
________ are a group of tetrapods whose living members are the reptiles, including birds, and mammals.
Notochord
a longitudinal, flexible rod between the digestive tube and nerve cord
The nerve cord develops into the central nervous system
the brain and the spinal chord
Pharyngeal clefts
grooves in the pharynx that develop into slits that open to the outside of the body
Craniates
chordates that have a head
Neural crest
a collection of cells near the dorsal margins of the closing neural tube in an embryo
Vertebrates
chordates with a backbone
Gnathostomes
vertebrates that have jaws
Oviparous
Eggs hatch outside the mothers body
Ovoviviparous
The embryo develops within the uterus and is nourished by the egg yolk
Viviparous
The embryo develops within the uterus and is nourished through a yolk sac placenta from the mothers blood
Actinopterygii
ray-finned fish
Actinistia
coelacanths
Dipnoi
lungfish
Tetrapods
gnathostomes that have limbs
Amniotes
tetrapods that have a terrestrially adapted egg
Mammals
amniotes that have hair and produce milk
Strepsirrhini
wet noses, no fur at tip
Haplorrhini
dry, furry nose
Hominoidea
gibbons, gorillas, orangutans, chimpanzees and humans