The image shows an example of a sedimentary rock.

which feature of this rock demonstrates that it is a clastic sedimentary rock?

visible crystal formations
variation of colored sediments
visible rock fragments
distribution of organic materials

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Which organelle stores most of a cell’s dna?