<span>The fluid flows through the interventricular foramen into the third ventricle, is augmented by fluid formed by the choroid plexus of this ventricle, and passes through the cerebral aqueduct to the fourth ventricle, which also possesses a choroid plexus. The CSF from all theses sources , as well as any formed in the central canal of the spinal cord, escapes from the fourth ventricle into the subarachnoid space through the median aperture and lateral aperture.</span>
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
The light needed for photosynthetic reactions tends to be more reds and purple wave lengths. The Green wavelength is reflected. Filtering out the green light will stunt the light reactions of the plant.
The level most commonly meant by the term biodiversity is the species level.
Answer:
<u><em>PROPHASE</em></u>
Explanation:
The first stage in Meiosis I is prophase I. During this stage the DNA condenses into chromosomes. During prophase I, homologous chromosomes pair up and exchange sections of DNA. This is called recombination or crossing over