How many groups of vertebrates are there ?
5 ( mammals, fish, birds, reptiles and amphibians)
How many groups of invertebrates are there ?
6 ( Arthropods, Molluscs, Annelids, Echinoderms, Cnidarians and Poriferans )
How many legs do insects have ?
6
Give 3 examples of molluscs
squid, snail, slug, octopus, mussel, oyster, cuttlefish
These animals have a long and soft body, made up of lots of rings
annelids
What are monotremes ?
Mammals that lay eggs ( the platypus and the echidna)
What animals lay their eggs on land ?
reptiles, birds
What percentage of all animals on the planet are invertebrates ?
around 97%
Describe the process od metamorphosis in frogs
eggs, tadpoles, gills, lungs, adult frogs
Give 3 characteristics of vertebrates and 3 of invertebrates
backbone, nutrition, respiration, reproduction
How many legs do arachnids have?
8
What are the main characteristics of crustaceans?
10 legs, front legs are claws, no wings, 2 body sections, 2 pairs of antennae
Which group of animlas has no head, no brain but has a mouth
cnidarians
Give 3 examples of herbivores, carnivores and omnivores vertebrates
pigs, lions, turtle etc
What does OVIPAROUS mean?
animals that lay eggs
How do vertebrates breathe ?
lungs , gills, skin
