Homeostasis and cell theory

All cells come from___________ cells.

• pregnant
• pre-existing
• paternal
• pin size

Tags

NGSS.MS-LS1-1

What is the basic structural and functional unit of all living things? 

• atom
• cell
• molecule
• human

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Tags

NGSS.MS-LS1-1

Which of the following scientists was the first to observe cells divide under a microscope?

• Rudolf Virchow

• Matthais Schleiden

• Robert Hooke

• Theodor Schwann

Tags

NGSS.HS-LS1-4

Who looked at cork and named the cell?

• Robert Hooke
• Van Leeuwenhoek
• Robert Brown
• Francesco Redi

The Cell Theory states...

• atoms create all matter
• living things evolve
• the cell is the backbone of all matter
• cells are the basic unit of structure and organization of organisms

Tags

NGSS.MS-LS1-1

All plants are made of cells.  This was discovered by....

• Matthias Schleiden
• Rudolf Virchow
• Robert Hooke
• Aristotle

Tags

NGSS.MS-LS1-1

Who was the "scientist" who observed pond water and teeth scrapings in his microscope and saw living cells?

• Hooke

• Leeuwenhoek

• Schleidian

• Virchow

reverses the direction of change

• positive feedback

• effector

• hypothalamus

• negative feedback

Tags

NGSS.HS-LS1-3

increases or speeds up original change

• negative feedback

• positive feedback

• endotherm

• ectotherm