homeostasis and cells

What is homeostasis?

Select ONE option that is NOT RELATED.

• It is a state of balance.

• It is the preservation of an internal constant state.

• This classification is divided in animals, plants, bacteria, fungi and protists.

In this process, the cell releases particles out of its membrane.

• exocytosis

• osmosis

• endocytosis

• diffusion

WITH YOUR OWN WORDS:

Why is homeostasis important for

cells as well as for an entire organism?

How do unicellular organisms maintain homeostasis?

• They drink water.

• The cell membrane and other parts of the cell regulate what materials get into and out of the cell.

• The vacuole and other parts of the cell regulate what materials get into and out of the cell.

• The nucleus and other parts of the cell regulate what materials get into and out of the cell.

Which animal organ is responsible for carrying oxygen and other materials through the body and into each cell?

• Blood

• Blood vessels,

• Heart

• Lungs.

The maintenance of a constant internal state in a changing environment. (pg. 126)

• homeostasis
• environment
• climate
• miosis

Plants use sunlight to change carbon dioxide and water into sugar and oxygen. This process is called... (pg. 128)

• photosynthesis
• cell proccess
• cell respiration
• osmosis

In what organelle does photosynthesis happen?

• chloroplast
• chlorophyll
• mitochondria
• cytoplasm

What is diffusion?

• when molecules move 

• when molecules move from a high concentration to a low.

Tags

7.LS1.2

The process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell

• mitosis

• meiosis

• endocytosis

• exocytosis