LEVELS OF CELLULAR ORGANIZATION

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Presentation transcript:

LEVELS OF CELLULAR ORGANIZATION Thursday, March 25th

AIM: What are the different levels of cellular organization? THURSDAY, MARCH 25TH AIM: What are the different levels of cellular organization? Do Now What does multicellular mean? Many Cells What do you think is more complicated? Cells or Organs? Why? (2 sentences) Organs are more complicated than cells. An organ has many cells working together in order for it to work.

LEVELS OF CELLULAR ORGANIZATION Work together to sort the cards at your table from smallest to biggest (2 minutes)

LEVELS OF CELLULAR ORGANIZATION BIG ORGAN SYSTEM: Two or more tissues working together to perform a specific function/job for the organism ORGANS: Tissues work together to perform a specific activity TISSUES: Similar cells working together to do the same functions/jobs. CELLS SMALL

HOW DOES OUR BODY WORK TOGETHER TO CIRCULATE BLOOD? organs work together to make CIRCULATORY SYSTEM tissues work together to make The HEART (Organ) cells work together to make HEART TISSUES organelles work together inside… HEART CELLS Organelles

Why isn’t there cellular organization in unicellular organisms? CHALLENGE QUESTION Why isn’t there cellular organization in unicellular organisms?

GROUP CHALLENGE GAME! Who remembers the rules? RULES: Work as a team to answer the questions Keep your answers secret until time is called No talking while your answers are raised No cheering or booing Team with the most points wins! ARE YOU READY?

1. Which of the following is a unicellular organism? QUESTION 1 1. Which of the following is a unicellular organism? a. human c. bacteria b. lion d. tree

QUESTION 2 2. The structure that regulates what enters and leaves the cell is called a. the nucleus. b. the nuclear membrane. c. the cell wall. d. the cell membrane.

3. Only eukaryotic cells have a. DNA. c. ribosomes. QUESTION 3 3. Only eukaryotic cells have a. DNA. c. ribosomes. b. membrane-bound organelles. d. cytoplasm.

QUESTION 4 4. A structure within a cell that performs a specific function is called a(n) organelle. tissue. organ tissue. biocenter.

5. Which cell structure controls most cell activities? QUESTION 5 5. Which cell structure controls most cell activities? a. cytoplasm c. cell membrane b. nucleus d. chloroplast

6. Organisms composed of more than one cell are called ____________. QUESTION 6 6. Organisms composed of more than one cell are called ____________. a. unicellular c. multicellular b. virus d. tissue

QUESTION 7 7. Which of these is a unicellular organism? A B C D

QUESTION 8 8. Multicellular organisms are made up of more than one kind of cell because: a. unicellular organisms can’t move so don’t need lots of cells. b. multicellular organisms are more complex than unicellular organisms and need different cells for different functions. c. unicellular organisms don’t do all the seven things living things do. d. multicellular organisms don’t get energy.

a. organ systems, organs, tissues, cells QUESTION 9 9. Which of the following is the correct order of organization of structures in living things, from simplest to most complex? a. organ systems, organs, tissues, cells b. tissues, cells, organs, organ systems c. cells, tissues, organ systems, organs d. cells, tissues, organs, organ systems

a. tissues, cells, organ systems, organs QUESTION 10 10. Which of the following lists an organism’s levels of cellular organization in order from SMALLEST to LARGEST? a. tissues, cells, organ systems, organs b. cells, organs, tissues, organ systems c. tissues, cells, organs, organ system d. cells, tissues, organs, organ systems

QUESTION 11 11. What is the name for a group of cells that work together to perform a certain task in an organism? a. tissue c. species b. organ d. genius

ORGAN SYSTEM CELL TISSUE ORGAN 12. FILL IN THE LINE WITH THE APPROPRIATE LABEL FROM ABOVE! Blood cell: _____________________ Circulatory System: ________________ Brain tissue: _________________________ Heart: _______________________________