I think it is control group
Observations are things you use your "five senses" to determine - how something smells, looks, tastes, sounds, or feels.
Inference is something that you assume based on previous knowledge.
Explanation:
la respuesta está en la imagen de arriba
Carcinomas <span>are </span>cancers<span> that line the entire surface of the body as well as the internal structures and cavities.</span>
Answer:
D. They live in freshwater, are free-living and reproduce sexually and asexually.
Explanation:
Most planarians are found in freshwater. Since they reproduce through fission, they reproduce asexually. However, since they are heteromorphic, they also reproduce sexually.