Pick from:
[1]. sun
[2]. science lab
[3]. biomes
[4]. orchids
[5]. photons
[6]. deserts
[7]. black hole
[8]. trees
Given those answer options, answer the question: Fact 1: Energy enters ecosystems in the form of sunlight or chemical compounds. Fact 2: Biomes are global ecosystems. Given the two facts above, where does energy enter into in the form of sunlight and chemical compounds?
A:
[3].