The gravid spot. It indicates that the guppy is pregnant, and the gravid spot will grow larger the farther the guppy is into pregnancy. (pregnancy usually lasts about one month)
The white stuff on bread that indicates the presence of mold is called mycelium.
An abdomen
guppies or fry
The presence of urease indicates the presence of a specific bacteria called proteus. It's useful to identify the organism to determine the correct antibiotic to cure it.
Jarosite is the sulfate mineral found on the surface of Mars that indicates the past presence of liquid water.
it is called a fry
The distinguishing characteristics that can help determine the gender of a Dalmatian Molly fish include the shape of their anal fin and the presence of a gravid spot on the female's abdomen. Male Dalmatian Molly fish typically have a pointed anal fin, while females have a more rounded anal fin. Additionally, females may develop a dark spot on their abdomen called a gravid spot, which indicates that they are carrying eggs.
udar.
The distinguishing feature of a brown spider with a zigzag pattern on its back is the presence of a unique marking called a "zigzag" or "herringbone" pattern on its abdomen.
yes.... thats why hey are called "guppies...."
Ventral decubitus.
The abdomen. ^^