Question

Which of the following statements is true?

Parts of an ecosystem only include biotic factors such as plants and animals.

If a common plant in an ecosystem becomes diseased, the ecosystem may become unbalanced.

Abiotic factors include decomposers such as fungi and bacteria.

Tundras have a high diversity of species.

Answer 1

2nd statement is correct

Answer 2

First 2 are true and last 2 are false