7. How do muscles work in antagonistic pairs?
The muscles alternate, producing wavelike contractions,
When one muscle pulls, the other muscle relaxes,
Each muscle is attached to a different ligament,
Both muscles always contract at the same time,

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.