Viruses arent able to respond to stimuli when outside of a host cell because outside host cells, viruses are dormant and sometimes even considered dead. Only when a virus starts reproducing in a cell can it weakly respond to stimuli. :))
Because it produces sugar for humans and food for plants.
Well mutations can be a positive or a negative feature. Some mutations can be used as a camouflage so stay safe from predators. Other mutation could give off a bright color which would make it hard to stay hidden from predators.
Hope This Helps!
Answer:
most likely silt.
Explanation:
its not humus cause humus is sticky. its not sand cause when sand is wet its very gritty and hard. its not gravel because gravel is gritty. hope this helped
