1. is the sun
2. is is waters the plants and help things grow
The fossil record shows a sequence from simple bacteria to more complicated organisms through time, it is very reliable because it is physical evidence and by studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.
I'm not completely sure about this answer because our unit on that was very short. So please don't be upset if its incorrect.
The answer is phytoplankton and water depth, because in order for any ecosystem to survive they need the producer population (Plants)
Middle School
Basic Rank
Answer:
I believe your answer is B. Sorry if I am wrong.
Explanation:
I hope I helped
Have an AMAZING day. :)
The answer is G cells. Of the 4 general gastric cell types, G cells are classified as enteroendocrine cells. G cells primarily secrete gastrin, and work with gastric chief cells<span> and </span>parietal cells in order to regulate the acid levels in the stomach.
