67 million years ago in the form of phyollths (small sllica flecks in grass that make it difficult to digest)
The answer is C=genetic information flows from DNA to RNA to protein
Answer:
Spirogyra is a genus of green algae that belong to the order Zygnematales. These free-flowing, filamentous algae are characterized by ribbon-shaped chloroplasts that are arranged in a helical manner inside the cells. So the name is derived from the spiral arrangement of chloroplasts in these algae.
Explanation:
Answer:
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Explanation: please check these i hope this helped!
Answer and Explanation:
Multiple organisms especially those that live on land require a rigid framework to support their bodies off the ground and to maintain their shape. Skeletons also offer protection to delicate internal organs for example the skull protects the brain
