True. They were originally formed by the growth of layer upon layer of cyanobacteria, a single-celled photosynthesizing microbe that lives today in a wide range of environments ranging from the shallow shelf to lakes, rivers, and even soils. It is a prokaryote, with no nucleus.
Answer:
<h3>for digestive system ( similarities)</h3>
Explanation:
1. All three digestive systems take up majority space inside their bodies
2. All three of the animals food prey begin through the mouth and end through the anus
· Abiotic factors are nonliving, such as temperature, sunlight, and soil in an ecosystem.
· Biotic factors are the living parts of an ecosystem, such as plants and animals.
Given the above, the biotic factor listed is evergreen trees in a coniferous forest.
The other options - soil, precipitation, and temperature - are abiotic.
Answer:
<span>C. evergreen trees present in a coniferous forest
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