Science Homework

Cells = Life

1.    1.What makes something living?

- the fact that they have one or multiple cells makes it living

- The cell is the smallest unit of life

Cell

Cells = Life    ­       

                                   

unicellular organism

             ¯

Tissues:

·      Cardiac

·      Skin (epithelial)

·      Muscle

·      Nervous tissue

             ¯

Organs:

·      Heart

·      Stomach

·      Brain

              ¯

Organ System:

·      Digestive

·      Circulatory

·      Nervous

   ¯

Organism:

-       Multicellular

2. How is a single cell like a multicellular organism?

They have some form of mini-organs (organelles) to do specific job

3.    Identify the ORGANELLES of plant and animal cells. What are their jobs?

The organelles of an animal cell are:

Nucleus

Ribosome

Cytoplasm

Cell membrane

Lysosome

Mitochondrion

Golgi body

Endoplasmic reticulum

The organelles of  a plant cell are:

Cytoplasm

Vacuole

Cell wall

Cell membrame

Ribosomes

Chloroplast

Cytoplasm

Endoplasmic reticulum

Golgi body

Nucleus

As you can see there are some organelles that are the same for both plant and animal cells, but there are some that they both do NOT have. That’s because plants (and their cells) are structured differently than animals (and their cells)