Evolution of Embryology

What states that organisms change and develop over time to adapt an increase rate of survival?

• Biological Evolution

• Theory of Plate Tectonics

• Theory of Evolution

• Tectonic Plates

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What is the studies of embryos and their development?

• Species

• Embryology

• Taxonomy

• Dichotomous Key

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_____________  is the study of embryos to see how their similarities and differences indicate an evolutionary relationship.

• Paleontology

• Common ancestry

• Homologous structure

• Embryology

In stage one (top row) of these embryos, most of the embryos________

• look very similar.

• have very different features.

• show different stages of development.

• have only a tail if they are non-human.

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In the the third embryonic stage (bottom row), mammal embryos _____

• have more characteristics in common with each other than with reptiles or birds.

• are still hard to tell from reptiles and birds.

• have the same features as fish, reptiles, and birds.

• do not have tails.

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What type of evidence are shown in the picture above?

• Fossils

• Embryology

• Homologous Structures

• Vestigial Structures

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The similarities of the bones in the diagram provide evidence that---

• The organisms shown lived in the same natural envionrment

• The organisms shown may have developed from a common ancestor

• The organisms shown have the same genetic diseases

• All vertebrate species have identical forelimbs

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When comparing different animal's bone structures and biological similarities, these similarities might suggest that?

• these animals have the same bone that is used to help them fly.

• these animals may have a common ancestor

• these animals were all born at the same time.

• these animals can only survive if they live together.

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Which scientist is known for his early work in the field of embryology, particularly for his studies on chick embryos?

• A) Charles Darwin

• B) Aristotle

• C) Gregor Mendel

• D) Louis Pasteur

What is the primary focus of comparative embryology?

• A) To study the genetic mutations in embryos

• B) To compare the embryonic development of different species

• C) To analyze the chemical composition of embryos

• D) To observe the behavior of embryos in different environments