Sienna made a chart listing characteristics of two kinds of echinoderms.
Which headings correctly complete the chart?
a. X: Sea Urchins
Y: Brittle Stars
b. X: Brittle Stars
Y: Sea Urchins
c. X: Sea Cucumbers
Y: Brittle Stars
d. X: Brittle Stars
Y: Sea Cucumbers

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.

Which anatomical plane is the only one that could not show both the sternal region and vertebral region