Invertebrates do not have this.
What is a backbone?
Vertebrates have this at some point in their lifetime.
What is a backbone?
Believed to be the first animal to arise on the planet. Some can be used during hygiene sessions.
What is a sponge?
An arm, leg, fin, or wing. These tend to be found in pairs.
What is an appendage?
A remarkable organism that uses sea water as its body fluid making this critter quite unique.
What is a starfish, or sea star?
Group of invertebrates that includes snails, clams, and the sea cucumber.
What are mollusks?
Group of vertebrates that are ectotherms and are covered with scales including: turtles, snakes, and lizards.
What are reptiles?
On the vertebrate evolutionary tree, the group of organisms that arose after the nonvertebrate chordates.
What are fishes?
Endothermy is a characteristic of birds and mammals. It provided them the ability to disperse all over Earth after the Age of the Dinosaurs ended with the KT Event. It is also known as this.
What is warm-blooded?
The fastest land animal. This amazing critter can reach speeds of over 150 mph when it chases its prey.
What is a peregrine falcon?
Group of invertebrates with jointed appendages including spiders, insects, shrimp, and ticks.
What are arthropods?
An egg with a shell that helped animals survive and adapt to life on land. It has parts named the amnion and chorion.
What is an amniotic egg?
The most sophisticated group on the invertebrate evolutionary tree.
What is an echinoderm (starfish)?
Anatomical part that is exclusive to life on land. It would be analogous to the gill in an aquatic organism.
What are lungs?
A keystone species that was critical in the Yellowstone National Park. Most domestic dog species were bred from this critter.
What is a wolf?
Invertebrates have 3 types of skeletons. Two examples of these support systems would be.
What are hydrostatic skeleton, endoskeleton, exoskeleton?
Amphibians including frogs, toads, salamanders, and caecilians are known as transition species on the evolutionary tree for this reason.
What is a life in water and on land?
On the vertebrate animal tree the group that would be found to have arisen after the fish.
What are amphibians (frogs, toads, salamanders, and caecilians)?
Anatomical part that divides fishes into two large groups, those that have it and those that don't. Also name of a box office thriller in the theatrical world.
What are jaws?
This cephalopod is an incredible critter with eyes like yours, multiple appendages, the ability to problem solve, and color change indicating its mood. It also can hide itself very well by camouflage.
What is an octopus?
Invertebrates tend to reproduce asexually. This means it involves only 1 parent. The three types are.
What are regeneration, budding, and binary fission?
As biology typically is, there is an exception to the rule of all vertebrates having a backbone in the nonvertebrate chordates. These are the most primitive of the group. Two examples are.
What are tunicates and lancelets?
According to scientists, the human was the last organism to evolve following a mutation in the Primates that provided it with these two distinct differences compared to other animals.
What are advanced logical thinking skills and verbal communication in the form of language?
The three germ layers of the body. They end up on a mature critter as the skin, linings of internal organs, and the tissues found between the first two items in this list like bone and muscle.
What are the ectoderm, mesoderm, and endoderm.
What is a coelacanth?