Embryology and Evolutionary History

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

• Paleontology
• Common ancestry
• Homologous structure
• Embryology

Tags

NGSS.MS-LS4-3

The series of changes which animal and vegetable organisms undergo in their passage from the embryonic state to maturity, from a lower to a higher state of organization is called ___________

• embryonic stage.
• common ancestry.
• development.
• growth.

Tags

NGSS.HS-LS1-4

The most recent ancestral form or species from which two different species evolved is known as ________________________.

• a common ancestor.
• an embryonic stage.
• development.
• evolution.

Tags

NGSS.MS-LS4-2

Which sentence below describes how reproduction in birds, reptiles, and mammals differ?

• Birds lay eggs and incubate them, reptiles lay eggs and let the sun incubate them, most mammals give live birth.
• Birds and mammals are warm blooded and care for their young.
• Bird, reptile, and mammal females produce eggs.
• Reptiles and birds both lay eggs.

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.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

The more similar the stages of embryonic development, the more likely that organisms share ____________

• a common ancestor.
• embryos.
• eggs.
• embryology.

Tags

NGSS.MS-LS4-3

Shows the traits that separate organisms

• cladogram

• phylogenetic tree

• evolutionary origin

• common ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What do pigeons have in common with lizards?

• Mammary glands

• Claws

• Feathers

• Fur

Tags

NGSS.MS-LS4-2

A homology is something that is similar in all of the following EXCEPT –

• Structure

• Size

• Position

• Evolutionary origin

Tags

NGSS.MS-LS4-2

The bones of the forelimbs (wing or arm) of three animals are shown in the illustration. What is the most reasonable conclusion that can be drawn from a comparison of these structures?

• Birds and bats are closely related to each other while humans are unrelated to both

• The common ancestor of birds and bats must have had wings and flown.

• Humans live in habitats very different from the habitats of both birds and bats.

• Humans and bats share a closer evolutionary history with each other than with birds.

Tags

NGSS.MS-LS4-2