I need help with all of them, who tryna help me?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function