The amnion is an extra-embryonic membrane that surrounds the embryo and encases it in amniotic fluid.

Which animal lacks an amnion?

A) frog

B) lizard

C) pigeon

Both prokaryotic and eukaryotic cells have A a nucleus. B cytoplasm. C mitochondria. D specialized organelles.

What is the fastest land animal in the world?

An oxidation reaction A) Results in the loss of hydrogen atoms in most biologic systems. B) Adds electrons to a molecule. C) Increases the potential energy of a molecule. D) Allows conversion of ATP to ADP.

What is mostly made up of ice? A - Meteors B - Asteroids or C - Comets

Which of these parts of an animal would most likely fossilize? A.) skin B.) bones C.) muscles D.) internal organs

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.