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  ASTEROIDS,COMETS,AND  METEOROIDS  are   all   debris  remaining  from  the    nebula  in  which   the Solar  System   formed 4.6  billions  years  ago.Asteroids  are  rocky   bodies   up  to  about  1,000  km  in  diameter  ,  although     most  are   much  smaller .Most  of  them  orbit    the  Sun    in  the asteroids   belts,  which lies   between   the  orbit     of  mars  and Jupiter.Comets   may  originate  in    huge   cloud (called  the   ourt cloud),  that  is  thought  to   surround   the  Solar System .They  are made  of  frozen...

Artificial Intelligence (AI) refers to the simulation of human intelligence in machines that are programmed to think and learn like humans . These systems can perform tasks that typically require human intelligence, such as learning, problem-solving, and decision-making. AI encompasses a wide range of technologies, including machine learning, deep learning, and natural language processing.     Simulation of Human Intelligence: AI aims to create machines that can mimic human cognitive functions, like learning, reasoning, and problem-solving.   Algorithms and Models: AI systems rely on algorithms and models that analyze data, identify patterns, and make decisions based on that analysis.   Learning and Adaptation: A core aspect of AI is its ability to learn from experience and adapt to new inputs, allowing it to improve its performance over time.   Wide Range of Applications : AI has diverse applications, from virtual assistants and recommendation syste...

  THE   DINOSAURS   WERE  A  LARGE  GROUP  of   reptiles  that   were  the  dominant    land   vertebrates  (animals  with  backbones),  for  most  of  the Mesozoic   era(245-65  million  years  ago). They   appeared   some  250   million  years  ago    and  were  distinguished  from  other scaly ,  egg  laying   reptiles   by  an  important  feature ; dinosaurs  had   erect   limb   stance .This   enabled  them     to keep   their  bodies   well   above  the  ground ,  unlike  the  sprawling   and  semi sprawling     stance  of  oth...

  SPONGES   ARE MAINLY   MARINE   animals  that  make  up   the phylum   proliferate .They  are  among  the  simplest  of  all   animals ,having no   tissues  or  organs  .Their  bodies  consist   of two  layers  that is   strengthened   by  mineral   spicules  or  protein  fib res  .  The   body    is perforated  by   a  system  of  pores   and  water  channels   called  the  aquifers    system .Special  cells  (choanocytes)  with  whip  like structures  (flagella) draws  water   through  the   aquifers   system ,  thereby bringing     tiny  food  partic...

  THE  WORD  INSECT   REFER  TO  small   invertebrate  creatures,   especially    those   with  bodies  divided  into   sections.Insects ,   including  beetles,ants,bees,butterflies,and  moths ,  belong   to  various   orders  in  the   class  insect a,  which  is  a division   of  the  phylum  Arthropods.Features     common  to  all   insects   are  an  exoskeleton (external  skeleton),  three  pairs  of  jointed  legs , three  body  sections (head,thprax,and abdomen );and  one  pair  of  sensory  antennae  .Beetles  are   the biggest  group  of  insects ,   with  about  500,000...

  STARFISH  ,SEA URCHINS, AND  OTHER ,relatives (including  feather star,basket star,  sea daisies, sea lilies,and sea cucumbers)  make  up   the phylum   Echinoderm. A unique  feature   of  the Echinoderms   is  the  water  vascular  system,  which  consists  of  a  series  of   water   filled   canals   from  which  protrude  thousands  of  tiny  tube    feet  . The  tube feet   may  be  used  for  movement, feeding, or  respiration.Other  features  include   pentaradiate  symmetry  that  is  the  body  can  be  divided   into  five parts   radiating   from  the cent re ); no  head ; diffuse ;decentralized ...

  THE  PHYLUM   MOLLUSCS (MOLLUSCS)  is    large  group  of   animals    include  Octopus,Snails,and  scallops.Octopus    and  their   relatives  including   squids  and  cattle  fish -  fern  the  class Cephalopoda  .Cephalopodas   typically    have  a   head   with   radula (a  file  kike  feeding  Organ)  and  beak ;  a  well  develop  nervous  system ;   sucker  bearing  ten tales ; a  muscular mantle  (part  of  the  body  wall )  that  can  expel     water   through  the    siphon  ,    enabling  movement  by  the   jet  propulsion  ;  and  a  small ...

  SHARKS, DOGFISH(WHICH  ARE  actually   small  sharks.),skates, and rays  belong to a  class  of fishes called   Chondrichthyes ;  which  is  a  division  of  the upperclassmen  Gnathostomata(meaning  "jawed  mouths") Sharks  and  their  relatives    have   a skeleton  made  of  Cartilage (hence  their  common  name ,cartilaginous fish),  a  characteristics   that  distinguishes  them  from   bony  fishes .Other  important  features  of  cartilages  fishes   are  extremely  tough  tooth-like  scales ,  and lack of  swim bladder .Jaw less fish  -hag fish and  lampreys - are  primitive  eel  like  fish   that  make   up the order  Cyclostomata(meaning ...

  / CROATIANS  AND  TURTLES  BELONGS to    different  or ders  in  the  class Reptilian  order  Crocodile,  includes   Crocodiles,  Ali-gator, Caimans,and  Gharials. Typically,  Croatians  are   carnivores(flesh eaters),  and  have  a  long snout, sharp  teeth  for  gripping   preys and  hard , square   scales. All  Crocodilians    are   adapted   to living  on  land  and  in  water;they  have   four  strong  legs  for  moving on  land  ;a  powerful  tail   for  swimming  and  their  eyes  and nostrils  are  high  on  the head   so  that  they  stay above  water  while  the rest  of  the   body  is  s...

  LIZARD  AND   SNAKE   BELONG  to  the  order   Squamata,  a division  of   the  class   reptilian.Characteristics reptilian    features  include   scaly  skin,  lungs, and  cold  -bloodlessness.Most    reptiles  lay  leathery  shelled    eggs,although  some  hatch  the eggs  inside  their  bodies  and  give birth  to live   young . Lizard   belong  to   the  sub order   Laceration.Typically  ,  they  have  long  tails and  shed  their  skin   in  several  pieces  .Many   Lizards  can  regenerate   a  tail  if it  is  lost,  some  can  change   colour(chameleon) and    and ...

  BIRDS  MAKE  UP  THE  CLASS   AVES.There   are  more  than  9,000   species  ,   almost   all   of  which  can  fly.(the  only   flightless  birds   are  Penguins  ,  ostriches, rheas,cassowaries,  and  kiwis ).The  ability  to  fly  is   reflected   in  the  typical   bird  features ; forelimbs  modified  as  wings ,  a  streamlined   body ;  and  hallow  bones to  reduce  weight. ALL  birds   lay  hard-shell   eggs ,  which  the   parents   incubate.Birds  beak  and  feet   vary  according   to  diet   and  way  of    life .Beak  range   from    general  ...

  UNGULATES  IS  A  GENERAL  TERM  FOR  a   large ,varied group  of  mammals   that includes  horses,cattle,  and  their  relatives.The   ungulates   are  divided   into  two     orders  on  the  basis  of  the  number of  toes.Members  of the  order   Perissodactyls  include  horses,asses,and  zebras(all  of  which  are  one-toed),and  rhinoceroses  and  tapirs(which  are  three   toed). Members  of  the  order   Artiodactyls  have   two  or  four  toes.Most  artiodactyls  have  two toes,  which are  typically    encased   in  hooves  to  give  the  cloven  hoof.Two  toed   cloven  h...

  MARSUPIALS  AND   MONOTONES   are   two  orders   of  mammals   that  differ   from  other    mammalians  groups   in  the  ways  that  their  young  develop  .The order   Marsupial,  the  pouch  mammals ,  is  made  up    of   Krangaroos  and   their  relatives..Typically,  Marsupial   give  birth    to   their   young  as  a  very  early  stage  of  development .The  young  then  crawls  to  the  mother's   pouch  (which  is  on  the  outside  of  her  abdomen),where  it  attach  it self  to  a  nipple   and  remains  until...

  THE  MAMMALIAN     ORDER  PRIMATES  consists  of  monkeys.apes,and  their  relatives  (including  humans).There  are   two   suborders  of  primates,the  Prosimi,  the  primitive primates.Which  include  lemurs,tarsier,and  lorises;and  Anthropoidea,the  advanced  primates  ,which  include   monkeys,apes,and  humans.The  Anthropoids,  are  divided  into   New  world    monkeys,old   world  monkeys  ,and  homonids.New  world    monkeys  typically   have   -wide-apart  nostrils  that   open  to  the  side;and  long  tails.which  are  prehensile(grasping) in  some  species This   group  of  monkeys  lives  in  south America ...