Which of the following is an example of a biotic factor interacting with its ecosystem? the amount of oxygen in the air

the dry climate in a desert area

the rate of flow of water in a river

the worms in an area of soil

Which type of bacterial reproduction is depicted in the diagram?

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?