Food webs show feeding relationships among different types of organisms. Those organisms each have a specific niche. Which of the following best describes a function of decomposers in food webs?
OPTIONS:
- to recycle nutrients into soil
- to convert solar energy into food
- to provide food for secondary consumers
- to compete with secondary consumers for oxygen

to recycle nutrients into soil

If a species is no longer able to reproduce, it will
OPTIONS:
- adapt to its environment
- become immune to disease
- become extinct
- increase its population

become extinct

In pea plants, tall is dominant over short. What size pea plants will result when a pure tall plant is crossed with a pure short plant?
OPTIONS:
- middle-sized plants
- short plants
- tall plants
- some tall and some short plants
tall plants