Using the picture below, what are the relative ages of the fossils?

B

Explanation:

The Trilobite is at the bottom, while the amonite is at the top

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Answer:

Presence of chloroplasts helps the cell to produce food (i.e. glucose) through a process called photosynthesis. While in the absence of chloroplast the cell has to rely on the intake of glucose from external sources.

Explanation:

Chloroplast is a cell organelle that is present in the plant cells and some photosynthetic organisms like algae and cyanobacteria. The chloroplast is solely responsible for the process called photosynthesis. Chloroplasts are present inside the guard cells of plants and absent in animal cells.

Chloroplast contains a green photosynthetic pigment known as chlorophyll which absorbs the light energy.The cells that do not contain the chloroplast depend on the external sources.