Download Chapter 30 “Known” Questions Which of the following is a shared

Chapter 30 “Known” Questions
1. Which of the following is a shared characteristic of all chordates?
a. hair
b. skull
c. notochord
d. verterbral column
e. four-chambered heart
2. The most primitive hominid
a. may have hunted dinosaurs
b. lived 1.2 million years ago
c. closely resembled a chimpanzee
d. walked on two legs
e. had a relatively large brain
3. What is one characteristic which separates chordates from all other animals?
a. true coelom
b. hollow dorsal nerve cord
c. blastopore, which becomes the anus
d. bilateral symmetry
e. segmentation
4. With which of the following statements would a biologist be most inclined to agree?
a. Human and apes probably represent divergent lines of evolution from
common ancestors.
b. Humans evolved from New World monkeys.
c. Humans have stopped evolving and now represent the pinnacle of evolution.
d. Apes evolved from humans.
e. Human and apes are the result of disruptive selection in a species of gorilla.
5. Why is the term “cold-blooded” not very appropriate for reptiles?
a. The keratinized skin of reptiles serves to insulate and conserve heat.
b. The metabolism of reptiles can general internal heat for temperature control.
c. The scales of reptiles serve to rid excess body heat by reradiation to the
environment.
d. Reptiles regulate body temperature by using various mechanisms such as
behavioral adaptations.
e. Reptiles swallow large prey whole to provide enough food to generate body heat.