Question

1. which cells can be multicellular?

a. prokaryotic
b. eukaryotic
c. both

1. which organisms can be unicellular?

a. prokaryotic
b. eukaryotic
c. both

1. which statement correctly compares unicellular and multicellular organisms?

a. in unicellular organisms, cells are specialized for different tasks, while multicellular organisms only have one type of cell.
b. multicellular organisms do not need to maintain homeostasis, but unicellular organisms do.
c. unicellular organisms only have one cell, so they cannot survive on their own, while multicellular organisms can.
d. in unicellular organisms, one cell carries out all life processes, while in multicellular organisms, different cells divide the work.

1. eukaryotic cells can specialize because...

a. they are cool because they have membrane - bound organelles and therefore special
b. they have only one cell that must know how to do everything for the organism
c. they have many cells that can work together to create new structures like organs
d. they have less organelles than prokaryotic cells do and can put forth more energy

1. the main difference between a prokaryotic and eukaryotic cell is that eukaryotic cells...

a. have membrane - bound organelles such as a nucleus
b. are able to move around freely
c. contain ribosomes floating in the cytoplasm
d. have a cell wall outside of their cell membrane

using your knowledge of prokaryotes and eukaryotes, what process do archaea use to reproduce?
a. mitosis
b. trinary fusion
c. multiplication
d. binary fission

Explanation:

• Question 8: Prokaryotic cells are usually unicellular, while eukaryotic cells can be unicellular (e.g., yeast) or multicellular (e.g., plants and animals). So the answer is eukaryotic.
• Question 9: Both prokaryotic (e.g., bacteria) and eukaryotic (e.g., amoeba) organisms can be unicellular.
• Question 10: In unicellular organisms, one cell performs all life - processes. In multicellular organisms, different cells divide the work.
• Question 11: Eukaryotic cells can specialize because they have membrane - bound organelles which allow for compartmentalization and different functions.
• Question 12: The main difference between prokaryotic and eukaryotic cells is that eukaryotic cells have membrane - bound organelles such as a nucleus.
• Question about archaea reproduction: Archaea, like bacteria (a type of prokaryote), reproduce by binary fission.

Answer:

1. B. Eukaryotic
2. C. Both
3. d. In unicellular organisms, one cell carries out all life processes, while in multicellular organisms, different cells divide the work.
4. b. They have membrane - bound organelles
5. a. have membrane - bound organelles such as a nucleus

For the archaea reproduction question: D. Binary Fission