Surface tension is caused by the attraction of the particles in the surface layer by the bulk of the liquid.
Answer:
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.
Explanation:
<u>Answer:</u>
<em>Predator-prey and herbivore-plant relationships are crucial in shaping communities. </em>
<u>Explanation:</u>
<em>It is the predator species in area that checks the number of prey species in a certain geographical area.</em> More the number of predator species in an area less is the number of prey species in the area.
Similarly the geographical location of preys will depend on the geographical location of predators. <em>Preys tend to flee away from the location of predators. Plant-herbivore relation is also similar.</em>
The number of herbivores checks the number of plants in an area. In the absence of herbivores and predators the <em>number of prey species and plants will exceed beyond limit. </em>
un animal es como una jirafa o un pez o un perro etc. pero tambien ay animales invertebrados o vertebrados
vertebrados se inifica que tiene un esqueleto interno articulado lo que ucal permite que se puedan mover , ejemplos de animals vertebrados son un pinguino elefante cocodrilo perro etc
invertebrado se inifica que son animales que no tienen colbna vertebral ejemplos son mariposas ,gusanos ,medusas ,caracoles etc
ojala te ayude jjejejej