Comparative Anatomy Classify the structures as homologous or analogous, depending on their structure and function.
1. legs of humans and limbs of elephants
2. fins of dolphins and flippers penguins
3. feathers of birds and scales of reptiles
4. arms of humans and wings of bats
a. Homologous
b. Analogous
c. Analogous

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits