Apatosaurus was a sauropod, and like all sauropods, was herbivorous. Sauropods were lizard hipped quadrupedal dinosaurs with long necks, and Apatosaurus was 75 feet long and weighed 18 to 25 tons.
The average male chicken is about 40 cm long!
"I assume you're talking about an adult skull, in which case it is 21-22 cm. long (from forehead to occiput) and 17-18 cm wide. Average circumference is 54-57 cms." answer taken from http://www.answerbag.com/q_view/32596
23 cm long
About 10 cm
That's just under four inches, about the size of an adult male's palm.
Length: 23 cm Wingspan: 34 cm Weight: M/F: 83 g
The length of an adult platypus's bill ranges from 4.5 cm to 7 cm. Males average 5.8 cm and females average 5.2 cm.
An adult numbat's tail measures around 18 cm in length.
The space within the adult human skull, known as the cranial cavity, has a volume capacity of approximately 1,200-1,700 cm^3, which is roughly equivalent to 1.2-1.7 liters.
There are different species of "bunnies", but the most common adult rabbit can have ears as long as 10 cm (4 in).
Tall Adult Male Height:6'1" (185.5 cm) and above."Average" Adult Male Height:5'9" (175 cm), 5'10" (177.5 cm), 5'11" (180 cm), and 6'0" (183 cm).Short Adult Male Height:5'8" (172.5 cm) and below.Tall Adult Female Height:5'8" (172.5 cm) and above."Average" Adult Female Height:5'4" (162.5 cm), 5'5" (165 cm), 5'6" (167.5 cm), and 5'7" (170 cm).Short Adult Female Height:5'3" (160 cm) and below.
A great white shark can reach between 400 and 520 cm. An adult male great white can reach between 350 and 400 cm, while an adult female great white can reach between 450 and 500 cm.