Classify hibiscus, moss plant, bread mould, mushroom, fern plant, vibrio cholerae, salmonella, typhi, euglena and yeast into respective kingdom

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

Plz ! ive been stuck on this forever

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point