What is a chordate? (page 767)
1 list the four key characteristics of a chordate.
use the diagram below to match the description of the chordate characteris
it its structure
structure
notochord

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm