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Answer the following questions:

a. What is a unicellular organism? Give an example.

b. Define invertebrates with an example.

c. List any three special characteristics of an amoeba.

d. What are the characteristics of Porifera?

Answer :

Final answer:

A unicellular organism consists of a single cell, while invertebrates are animals without a backbone. Amoebas have unique movement and reproduction methods, and sponges (Porifera) are simple multicellular organisms with specialized cells. The study of these organisms helps understand basic biological concepts.


Explanation:

Answering Your Questions

a. What is a unicellular organism? A unicellular organism is an organism that consists of a single cell, which performs all necessary life functions. An example is Amoeba, which is a genus of single-celled organisms commonly found in water.

b. Define invertebrates with an example. Invertebrates are animals that do not possess a backbone or spinal column. An example of an invertebrate is a jellyfish.

c. Enlist any three special characteristics of amoeba. Three special characteristics of amoebas are:

  1. They have an irregular shape due to their ability to change form.
  2. Amoebas move and capture food using temporary projections called pseudopodia.
  3. They can reproduce asexually through a process called binary fission.

d. What are the characteristics of Porifera? The characteristics of Porifera (sponges) include:

  • They are simple multicellular organisms lacking true tissues.
  • They have specialized cells that perform specific functions, such as filtering water and capturing food particles.
  • Sponges exhibit a wide variety of body forms and can be found in marine and freshwater environments.

Learn more about unicellular organisms and invertebrates here:

https://brainly.com/question/18382350


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