Amoeba is a physics/high-school/laws-of-motion-set-i?dictionary=single-celled&did=1933" onclick="getAsistant(this,event,1933,'single-celled');return false;" style="color:#009000;">single-celled organism belonging to the group of protozoans. It is a microscopic, physics/high-school/laws-of-motion-set-i?dictionary=eukaryotic&did=1612" onclick="getAsistant(this,event,1612,'eukaryotic');return false;" style="color:#009000;">eukaryotic organism that is found in various physics/high-school/laws-of-motion-set-i?dictionary=aquatic&did=1436" onclick="getAsistant(this,event,1436,'aquatic');return false;" style="color:#009000;">aquatic physics/high-school/laws-of-motion-set-i?dictionary=environments&did=923" onclick="getAsistant(this,event,923,'environment');return false;" style="color:#009000;">environments such as physics/high-school/laws-of-motion-set-i?dictionary=ponds&did=1746" onclick="getAsistant(this,event,1746,'pond');return false;" style="color:#009000;">ponds, physics/high-school/laws-of-motion-set-i?dictionary=lakes&did=804" onclick="getAsistant(this,event,804,'lakes');return false;" style="color:#009000;">lakes, and physics/high-school/laws-of-motion-set-i?dictionary=rivers&did=803" onclick="getAsistant(this,event,803,'rivers');return false;" style="color:#009000;">rivers. Amoebas move and feed by extending their physics/high-school/laws-of-motion-set-i?dictionary=pseudopodia&did=2004" onclick="getAsistant(this,event,2004,'pseudopodia');return false;" style="color:#009000;">pseudopodia, which are temporary projections of the physics/high-school/laws-of-motion-set-i?dictionary=cell+membrane&did=1394" onclick="getAsistant(this,event,1394,'cell membrane');return false;" style="color:#009000;">cell membrane.
Amoebas have a simple structure with a physics/high-school/laws-of-motion-set-i?dictionary=cell+membrane&did=1394" onclick="getAsistant(this,event,1394,'cell membrane');return false;" style="color:#009000;">cell membrane that encloses the physics/high-school/laws-of-motion-set-i?dictionary=cytoplasm&did=1070" onclick="getAsistant(this,event,1070,'cytoplasm');return false;" style="color:#009000;">cytoplasm and a physics/high-school/laws-of-motion-set-i?dictionary=nucleus&did=1069" onclick="getAsistant(this,event,1069,'nucleus');return false;" style="color:#009000;">nucleus. They lack a definite shape and are capable of changing their shape continuously.
Amoebas physics/high-school/laws-of-motion-set-i?dictionary=reproduce&did=926" onclick="getAsistant(this,event,926,'reproduce');return false;" style="color:#009000;">reproduce asexually by a process called binary fission, where the parent physics/high-school/laws-of-motion-set-i?dictionary=cell&did=895" onclick="getAsistant(this,event,895,'cell');return false;" style="color:#009000;">cell divides into two identical daughter physics/high-school/laws-of-motion-set-i?dictionary=cells&did=889" onclick="getAsistant(this,event,889,'cells');return false;" style="color:#009000;">cells. Under favorable conditions, amoebas can also form cysts to protect themselves from harsh physics/high-school/laws-of-motion-set-i?dictionary=environmental+conditions&did=1908" onclick="getAsistant(this,event,1908,'environmental conditions');return false;" style="color:#009000;">environmental conditions.
Amoebas are capable of engulfing physics/high-school/laws-of-motion-set-i?dictionary=food&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">food particles such as physics/high-school/laws-of-motion-set-i?dictionary=bacteria&did=1067" onclick="getAsistant(this,event,1067,'bacteria');return false;" style="color:#009000;">bacteria, physics/high-school/laws-of-motion-set-i?dictionary=algae&did=1012" onclick="getAsistant(this,event,1012,'algae');return false;" style="color:#009000;">algae, and other small physics/high-school/laws-of-motion-set-i?dictionary=organisms&did=874" onclick="getAsistant(this,event,874,'organisms');return false;" style="color:#009000;">organisms by surrounding them with their physics/high-school/laws-of-motion-set-i?dictionary=pseudopodia&did=2004" onclick="getAsistant(this,event,2004,'pseudopodia');return false;" style="color:#009000;">pseudopodia. Once the physics/high-school/laws-of-motion-set-i?dictionary=food&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">food is trapped in a physics/high-school/laws-of-motion-set-i?dictionary=food&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">food vacuole, the amoeba secretes digestive physics/high-school/laws-of-motion-set-i?dictionary=enzymes&did=1677" onclick="getAsistant(this,event,1677,'enzymes');return false;" style="color:#009000;">enzymes to break down the physics/high-school/laws-of-motion-set-i?dictionary=food&did=1592" onclick="getAsistant(this,event,1592,'food');return false;" style="color:#009000;">food particles and physics/high-school/laws-of-motion-set-i?dictionary=absorb&did=868" onclick="getAsistant(this,event,868,'absorb');return false;" style="color:#009000;">absorb the physics/high-school/laws-of-motion-set-i?dictionary=nutrients&did=873" onclick="getAsistant(this,event,873,'nutrients');return false;" style="color:#009000;">nutrients.
Amoebas move by constantly changing the shape of their body and extending their physics/high-school/laws-of-motion-set-i?dictionary=pseudopodia&did=2004" onclick="getAsistant(this,event,2004,'pseudopodia');return false;" style="color:#009000;">pseudopodia in the direction of movement. This form of movement is known as amoeboid movement.
By studying the structure, physics/high-school/laws-of-motion-set-i?dictionary=life+cycle&did=2993" onclick="getAsistant(this,event,2993,'life cycle');return false;" style="color:#009000;">life cycle, and physics/high-school/laws-of-motion-set-i?dictionary=behavior&did=1503" onclick="getAsistant(this,event,1503,'behavior');return false;" style="color:#009000;">behavior of amoebas, you can gain a deeper understanding of their physics/high-school/laws-of-motion-set-i?dictionary=biology&did=881" onclick="getAsistant(this,event,881,'biology');return false;" style="color:#009000;">biology and physics/high-school/laws-of-motion-set-i?dictionary=ecological&did=1598" onclick="getAsistant(this,event,1598,'ecological');return false;" style="color:#009000;">ecological significance.