Question

amoeba structure and life processes​

Answer 1

Explanation:

Structure of Amoeba

Amoeba has an irregular shape and its structure consists of 3 main parts; cell membrane or plasmalemma, cytoplasm, and nucleus.

The cell membrane is the body covering and it is selectively permeable to water and dissolved gases.

The cytoplasm is made up of an outer ectoplasm and an inner endoplasm. The endoplasm has a less fluid outer plasmagel and a more fluid inner plasmasol.

The nucleus controls the life activities of the cell. It is located in the endoplasm of the cytoplasm together with other organelles such as contractile vacuole and food vacuole.

Amoeba forms extensions or false feet called pseudopodia or pseudopods.

Amoeba like any other living thing also undergoes or performs some life processes.

These life processes include movement, reproduction and growth, nutrition, excretion and osmoregulation, respiration, and response to environmental changes.

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Answer 2

• Amoeba proteus is a single-celled creature that can be found in ponds, lakes, freshwater pools, and slow-moving streams.
• It normally creeps around, munching on algae, bacteria, and other microorganisms. It seems to be an uneven, jelly-like small lump of hyaline protoplasm under the microscope.
• The shape of an amoeba's body changes due to the production of little finger-like outgrowths called pseudopodia.
• Amoeba proteus is a kind of amoeba. Pseudopodia are transitory finger-like extensions with blunt rounded tips that the body continually extends or retracts.
• Several pseudopodia develop at the same time. Pseudopodia allow Amoeba to move. It also assists in the capture of food.
• The body of an amoeba comprises three main components, similar to that of a normal cell: plasma lemma or plasma membrane, cytoplasm, and nucleus.