Which statement best illustrates a biotic or an abiotic factor that often found in a city park

1. What is the function of the iris diaphragm and where is it found on a microscope? Controls width (diameter) of light circle on specimen. Found under that microscope stage that holds the slide.

Transposons (or transposable elements) are present only in prokaryotes. edit genes. can disrupt genes. are always in the same place in different strains of the same species. can only affect an organism's genotype, not its phenotype.

What is created when two or more elements chemically combine? a compound a substance an atom an element

When is speciation complete?

How are organisms in the domain eukarya different from those in teh domain archaea?

A student reads the following text in a science book: Scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound The student is instructed to illustrate this information in a science book.

What does the chloroplast produce during the light independent reactions of photosynthesis?

Chemical composition describes? A. The types of atoms that make up a sample of matter B. The arrangement in a sample of matter c. All of the above

During the water cycle, water evaporates from plants through a process called transpiration. which of these is a similar process during the carbon cycle?

How much is the tilt of earth's axis?