atoms > molecules > cells > organisms > populations > communities > ecosystems > biosphere
Which of the following represents the most correct order of the organization of life from the smallest unit to the largest?
organism and nonliving things
An ecosystem such as a forest in the Pacific Northwest of the United States is made up of
I, II, and III.
Which of the following characteristics are shared by all living things?
I. organization into cells
II. adaptation to environmental change
III. requirement of nutrients
IV. DNA housed in nucleus
the unidirectional flow of energy and the cycling of nutrients
The dynamics of an ecosystem depends on two main processes:
On a very hot day in summer, you go outside and take your temperature, it is 37 degrees Celsius. On another day, this time a very cold day in winter, you go outside and take your temperature, again it is 37 degrees Celsius. This example illustrates
all of these except complex molecular structure
Living organisms are distinct from nonliving things by which of the following features?
sunlight; carbon dioxide; water
Plants perform photosynthesis by using the energy of ___ to power production of sugars from ___ and ___ molecules.
Arachaea or Bacteria
You look into a powerful microscope and see a single-celled organism that is very small, has a cell wall, and no nucleus. You conclude that this organism belongs to the domain,
In the scientific name, Pan paniscus, Pan represents the name of the ___ while paniscus represents the name of ___.
all of these except e
The biological species concept developed by Ernst Mayr contains which of the following?
observation; question; hypothesis; test; data; conclusion
What is the right sequence of events applied in the scientific method/
An experimenter wanted to test the effects of cigarette smoking on rats. She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rates with pure, clean air. The rats that received the clean air were the
it has a low probability of being skewed by sampling error
In science, if a result is deemed statistically significant, that means
Evolution has been tested in various ways. Genetic, fossil, anatomical, physiological and behavioral studies all confirm that evolution is the mechanism of the origin of species. Thus, in science evolution is considered a scientific