In an ecosystem, plants are autotrophs. The term autotroph means that plants are capable of changing sunlight into sugar. In other words, plants are
A)
consumers
B)
decomposers
predators
D)
producers

D)  producers

Explanation:

In an ecosystem, as plants are termed autotrophs, they are the producers.

An ecosystem is made up of both living and non-living components which co-exists together.

plants are classified as producers as they take inorganic substances from the environment to produce their own food. this food is taken up by other members of the ecosystem for their own nourishment too. they are the producers and consumers depends on them for nourishment.

1.989×10^30 kg is the weight of the sun.