2.4 Embryonic Development BYK

2.4 Embryonic Development BYK

8th Grade

16 Qs

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2.4 Embryonic Development BYK

2.4 Embryonic Development BYK

Assessment

Quiz

Biology

8th Grade

Medium

Created by

Mr. Karcz

Used 7+ times

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16 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A multicellular organism in the early stages of development.

Zygote

Embryo

Fetus

Chromosome

2.

REORDER QUESTION

1 min • 1 pt

How does a zygote develop into an embryo?

cell divisions

The zygote develops into an embryo as it grows through many...

As the embryo develops cells...

specialize in their...

structure and function.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Undifferentiated cells that can develop into highly specialized cells by turning on and off certain genes. These are the cells that all specialized cells derive from.

Skin Cells

Zygote Cells

Embryonic Cells

Stem Cells

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do so many embryos look similar during the early stages of development?

Scientists believe that all organisms share a common ancestor from which they developed a similar pathway of development.

Scientists know that all organisms have the same DNA and therefore will look the same in early stages of development.

Scientists hypothesize that all organisms have the same parents and therefore develop similarly.

Scientists believe that since all organisms start as one cell they will have the same traits and characteristics.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rod made of cartilage that runs the length of the embryos body, found in all vertebrates.

Spinal Cord

Vertebrae

Notochord

Tailbone

6.

REORDER QUESTION

1 min • 1 pt

Explain why some structures change drastically or even disappear toward the end of development, while others stay consistent throughout development.

As development continues some structures are...

replaced with structures specific to the species.

backbone.

the notochord is replaced with the....

For Example...

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When parts of different organisms have the same relative position and structure.

Homosapien

Homologous

Homogeneous

Homozygous

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