1. Identify a feature of the Whirlpool Galaxy that is visible in all or several types of light. Explain what this means. 2. Identify a feature that is visible in only one or a few types of light. Explain what this means.

3. Explain why light is an important tool for studying and learning about the universe.

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If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z