You Have Discovered a New Worm-Like Animal

Q53: You are given temperature data showing that

Q54: The Mesozoic era lasted from<br>A) 65 million

Q55: A lancelet is a(n)<br>A) invertebrate chordate.<br>B) vertebrate.<br>C)

Q56: An animal that maintains its body temperature

Q57: If you found a worm with obvious

Q59: Leeches and earthworms belong to the phylum<br>A)

Q60: If you were eating sea urchin and

Q61: Some animals are autotrophs.

Q62: How do scientists believe that an asteroid

Q63: Sea cucumbers and sea urchins belong to