Cell is to tissue as a) cell is to organ system b) organ system is to tissue c) organ system is to organ d) tissue is to organ

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.