In another lesson, we learned about Earth's four spheres. These are the geosphere, hydrosphere, biosphere and atmosphere. Together, they make up all of the components of our planet, both living and non-living.
All kittens should be born with two anatomical openings just below the tail. One is the anus and the other one is the genital area. The primary way to tell a female kitten from a male kitten is by comparing the distance between the anal opening and the genital opening. Rarely, a kitten may be born without an anus. This is a birth defect and is considered very serious and life threatening.
Letâs start by taking a look at their physical differences. There are two ways to identify your crab as being either male or female including claw color and apron shape. First, take a look at the crabâs claws. Male crabs will have bright blue claws like the first picture below.Female crabs, however, have red tips on their claws like in the second picture.ale blue crabs. Female blue crabs â Taken by Angel Perry. A second way to tell the difference between males and females is by the shape of their âapronâ. If you look at a crabâs underside, thereâs a flap with a distinct shape.