Stage 1 Biology Hierarchical Structures

When a collection of similar cells group together, they form what is called _________.

• Organs
• Tissue
• Organ system
• Organism

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A collection of tissue that is grouped together forms an ___________

• tissue
• organ system
• organism
• organ

Prokaryotes are a unicellular organism

• true
• false

What is the difference between cells in a multicellular organism and a unicellular organism?

• The cells in a unicellular organism are dependent on each other.
• The cells in a multicellular organism are dependent on each other.
• The cells in a multicellular organism are not alive

Rank from simplest to most complex

• cell, organ, organ system, tissue, organism
• organism, tissue, cell, organ, organ system
• cell, tissue, organ, organ system, organism
• organism, organ system, organ, tissue, cell

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Stem cells are ____________________.

• cells that grow uncontrollably
• undifferentiated and can turn into any type of cell
• those that never go through cell division
• differentiated cells that do one job

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Stem cells can be obtained from _________.

• embryos
• some adult tissues
• umbilical cord blood
• all of the above

What is the difference between embryonic stem cells and adult stem cells?

• Embryonic can differentiate into more cell types than adult
• Adult only turn into blood, while embryonic turn into many things.
• Adult can differentiate into more cell types than embryonic
• Adult grow bigger than embryonic

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Why is the use of embryonic stem cells controversial?

• The embryos are destroyed in the process of extracting the stem cells.

• People consider their use as destroying a life.

• They are taken from little kids, which is painful.

• They are put into a different person.

Which type of cell came first?

• Eukaryotic
• Prokaryotic
• Plant
• Both Eukaryotic and Prokaryotic cells evolved around the same time

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