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What are all over an echidna's body?
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.
Does an echidna have fur?
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.
What characteristic can you use to separate all animals into two groups?
Whether or not an animal contains a spine or backbone distinguishes animalia into two different groups: Vertebrates (with spines--examples: canines, felines, humans) and invertebrates (without spines--examples: sponges, worms, mollusks).
Do swordfish have spines?
All fish have spines. They are all vertebrates.
What material is found in the skeleton of all sponges?
All sponges have a skeleton made of a protein called spongin or mineralized structures composed of calcium carbonate or silica.
Do dingos have spines?
Yes. All mammals have spines.
Do any reptiles have spines?
All reptiles have spines.
Why do hedgehog have Spines or quills?
First of all, they're called QUILLS! And it's to protect themselves.
Do panda bears have spines?
Yes. All mammals have spines.
Does a hummingbird have a spine?
No. Hummingbirds have spines. All birds do.
What type of snakes have spines?
all snakes have bones because of their backbones
Do cactuses have spines?
No, not all cactuses have spines. Some cactus plants have many more than others. Some have longer or shorter, finer or thicker spines. Some have white spines, some colored. And some don't have any spines at all.
