A student is writing a paper to explain how scientists interpret this image. The chart shows information about three different embryos early in their development.

Which is best supported by the information in the chart?

Species X and Y are not related to humans.
Species Y and Z are not related to humans.
Species X and Z are related to humans.
Species X and Y are related to humans.

What is the student most likely explaining?

analogous structures
homologous structures
comparative anatomy
embryology

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )

graphing motion: mastery test

209be

what is the instantaneous acceleration of

the particle at point b?

0 meters/second?

10 meters/second?

12 meters/second?

velocity imetersisecond

15 meters/second?

20

time (seconds)

answer: 0 meters/second^2

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west