Giant fossil ferns are evidence that life existed in the northern part of the region where it is usually cold. This would then suggest that before, some conditions were adaptable to some organisms compared to now.Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer:
less surface area per unit of volume
Explanation:
Answer:
The purpose of ethical standards for the treatment of experimental subjects is to assure the safety and well-being of all living things included in the study. Human rights, animal welfare, legal compliance, conflicts of interest, and health standards are all topics covered by ethical guidelines.
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The correct answer is polysaccharide
I really want to say mitochondria as it has a two layered membrane and has its own separate DNA