The scientific method is limited to investigating physical phenomena that are which of the following? Select all that apply.

Repeatable
Observable
Falsifiable
Unique
Measurable

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant