What plants grow with singly?

Does yellow jacket sting cause a fever? Which insect is deadlier a house fly or mosquito? Do star fish eat sea urchins? What is indreeding? Can an inchworm see or does it sense what is around it? What is computer virus? Are sea cucumbers alive? What are two harmful effects of insect spray? Are wasps an a vertebrate? What is the use of the antenna of butterfly? What type of bug loves hair wood clothes and makes whitish yellow markings on everything and some look like little tiny white bugs and some are black and they shred clothes and eat wood? What happens when a tick bites you? A spider is at the bottom of a 50 foot well climbs up 3 feet a day and slides back 2 feet a day how many days until it reaches the top? Is it dumb to give a guy flowers if you love him? How many places does a crayfish tail bend? Any minute primitive marine animal with a saclike body with openings through which water enters and leaves? What is a snail from the water called? How long does an earthworm take to regrow after being cut in half? How does a barrel cactus grow? Why does a reagent bottle have a different color?