There is a valve at the meeting point between each ureter and the bladder prevents the back flow of urine from the urinary bladder to the kidney
Answer:
Species
Explanation:
Species is the most specific and basic taxonomic level of classification and also the basic unit of biodiversity. Species is defined as group of highly closely related organisms that mate or breed to produce fertile offspring. After species genus is specific, and mostly organisms names are identified by species names and genus names as in binomial nomenclature, all scientific names are derived from genus and species e.g. the scientific name of frog is <em>Rana tigrina, </em>here '<em>Rana</em>' is genus name that is always capitalized and '<em>tigrena</em>' is species name that starts with small letter but both are always written in italics or underlined.
It is regularly hard to separate the elements of the apprehensive and endocrine system since it is hard to separate between the anxious and endocrine systems since a few neurons emit hormones and some endocrine organs react to neural signs.
The endocrine system is not a piece of the nervous system, but rather it is as yet basic to correspondence all through the body. This system is made out of organs, which emit concoction ambassadors known as hormones.
A predator is an organism that hunts and kills prey for food
They release methane into the atmosphere which is a greenhouse gas. greenhouse gasses trap heat into the atmosphere, causing the atmosphere to get warmer.
