What do all vertebrates have?
They have a backbone and a skeleton.
What is the one characteristic that all invertebrates share?
They do not have a backbone.
They are viviparous and drink their mother's milk.
Mammals.
An ovoviviparous animal produces eggs but the offspring develops and hatches inside the mother.
True.
Name four oviparous animals.
Frogs, turtles, birds, and fish are oviparous.
Which invertebrate group all have exoskeletons?
Arthropods.
This is the process in which baby amphibians change into adult amphibians.
Metamorphosis.
Insects have two antennae.
True.
How do fish breathe?
Fish take in oxygen from water. The water enters through their mouth and the carbon dioxide waste leaves through their gills.
Name two examples of cnidarians.
Jellyfish and sea anemones.
What is a viviparous animal?
An animal that develops the embryo inside the mother and she gives birth to live offspring.
Reptiles are herbivores.
False. Most reptiles are carnivores.
How do ruminants digest their food?
Grass is partly digested in the digestive system. It returns to the mouth where the animal chews and swallows again. It then goes back to the digestive system.
What are the three subgroups of molluscs?
Gastropods, bivalves, and cephalopods.
What does extinct mean?
When animals don't reproduce and the species does not replace the animals that die, the animal no longer exists.
Alligators, frogs, and lizards are examples of ruminants.
False. Goats, giraffes, deer, and camels are examples of ruminants.
Name the five vertebrate groups.
Amphibians, fish, birds, mammals, and reptiles.
Name the six invertebrate groups.
Arthropods, molluscs, echinoderms, annelids, sponges, and cnidarians.
Name the three types of consumers and what they eat.
1. Herbivores - plants
2. Carnivores - meat
3. Omnivores - plants and meat
There are only two subgroups of arthropods.
False. There are four: crustaceans, arachnids, myriapods, and insects.