dinosaur unit words Flashcards
learn dinosaur related words
adaptation
a modification of an animal or plant that evolved in response to its enviroment or way of life.
amber
the fossil form of sticky tree resin that may contain well preserved insects and other organisms
ancestor
an animal or plant species from which a more recent species has evolved
asteroid
a rocky or metallic object that orbits the sun, left over from the formation of the planets.
bipedal
walking on two legs
carnivore
an animal that eats only meat
climate change
major change to global weather conditions that may last for millions of years
cold-blooded
describes an animal whose body temperature rises and falls with changes in the temperature of its surroundings
coprolite
fossilized animal dung
descendant
an animal or plant species that evolved from and earlier species
dinosaurs
a large group of archosaur reptiles with upright limbs that dominated life on land for 160 million years.
embryo
an animal or plant in the early stage of development from an egg or seed
evolution
the gradual change of an animal or plant species over a long time, which may result in a new species
excavation
digging out and removing fossils or other objects from the ground
extinction
the dying out of a plant or animal species
flowering plants
seed-producing plants that reproduce by means of flowers and fruit containing seeds.
fossil
the remains or traces of a dead organism preserved in rock
fossilization
the process by which plant and animal remains become buried and preserved in rock
gastrolith
a stone swallowed by an animal, such as a plant-eating dinosaur, that aids the digestion of food by grinding it to a pulp
gizzard
a part of the digestive system in some animals.
hatchling
a newborn animal that has emerged from a shelled egg
herbivore
an animal that eats only plants
mammals
warm-blooded vertebrate animals tat feed their young on milk and have skin covered in hair
mass extinction
the extinction of huge numbers of species at the same time