The element calcium has the atomic number of 20 and the mass number of 40, how many neutrons dose it have
2 answers:
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Image and options are not provided in the question, the image is attached below and the complete question is as following:
Study the image. Which best describes what the picture shows? an organism a community:
A. an organism
B. a community
C. a niche
D. a population
Answer:
D. a population
Explanation:
Biological organization is defined as a hierarchy of complex biological structures and systems on the basis of several related philosophical ideas.
It shows the arrangment of organism or biological structures from simplest form to complex, it includes atom, molecule, organelle, tissues, cells, organ systems, organisms, populations, communities, ecosystem, and biosphere (not arranged in sequential manner).
The given picture is related to a population because it shows groups of organisms of the same species, that is rats.
Hence, the correct option is D.
