one spine
Pufferfish typically have around 30 to 40 spines, which are actually modified scales called dermal spines. These spines are not always visible, as they can be retracted into the fish's body when it is not inflated. The number of spines can vary among different species of pufferfish.
An echidna's body is covered with spikes, or spines. These spines are not poisonous, but they are sharp and offer the echidna protection from predators.
i think that they have 400 spines
The word spines has one syllable.
Their spines
A natural growth of spines in the body.
its scales, body, spines
Some dinosaurs did have spines but most did not. The main body coverings of most dinosaurs were scales and feathers.
The echidna is an egg-laying mammal. It is a beak-like snout, and its body is covered with spines.
Yes. While many people believe echidnas only have spines, they are actually covered with a very thick layer of coarse hair. The sharp spines grown throughout the coarse hair.
water vascular system
starfish have bumps and spines on their body