Page 127 - One Million Things: Animal Life - The Incredible Visual Guide

hibernation mucus parasite savanna
A state of deep sleep used by A thick, slippery fluid secreted An organism that lives inside or on A grassland habitat with widely
some smaller mammals to survive by animals for lubrication and the body of another species, and spaced trees found in hotter
cold winters when food is scarce. protection. exists at the expense of its host. regions of the world, notably in
parts of Africa.
insect muscle pheromone
An arthropod, such as a beetle or An animal tissue that can A chemical “message” released by species
butterfly, with three pairs of legs, contract (get shorter) in order to an animal that has an effect on A group of organisms consisting
usually two pairs of wings, and a pull and create movement. other members of its species. of similar individuals that can
body divided into three parts. breed together.
natural selection photosynthesis
insectivore The process whereby organisms The process by which plants and sterile
An animal, such as an anteater, that that are better adapted to their plantlike plankton use sunlight Describes an animal, such as
feeds on insects. Also a member surroundings survive longer and energy to combine carbon a worker bee, that is unable to
of an order of mammals that produce more offspring. It is the dioxide and water to make food. reproduce.
includes moles and hedgehogs. driving force of evolution.
plankton symbiosis
invertebrate nectar A term describing the mass of A close relationship between
An animal, such as an earthworm A sugary liquid produced by tiny animals (zooplankton) and members of two different species
or insect, that does not have a flowers to attract animals, such as plantlike protists (phytoplankton) that may be mutually beneficial
backbone. butterflies, that pollinate them. that float in both the sea and or one-sided.
fresh water.
krill nerve system
A shrimplike crustacean that A bundle of long, specialized pollinator A set of linked organs inside an
forms the main food source of cells that rapidly relay signals An animal such as a butterfly animal’s body that perform a
baleen whales. from one part of an animal’s that, while visiting flowers to specific function or functions.
body to another. feed, transfers pollen from one
larva (plural: larvae) flower to the next, enabling them tadpole
A young animal, such as a nocturnal to reproduce. The larva, or immature stage,
caterpillar, that undergoes Describes an animal that is active of amphibians.
metamorphosis to become an at night, but inactive by day. predator
adult, such as a butterfly. An animal, such as a lion, that territory
northern hemisphere kills and eats other animals. An area claimed and defended
lung The half of the Earth that is north by an animal in order to protect
A structure, found in mammals of the equator. prey sources or food or water, to mate,
and air-breathing animals, An animal that is killed and eaten or to bring up young.
used for taking in oxygen and nutrient by another animal, the predator.
releasing carbon dioxide. A substance taken in by an thorax
animal in its food that is needed producer The central body region of an
mammal for normal functioning. An organism, such as a plant, insect, which is combined with the
An endothermic (warm-blooded) that makes its own food using head in arachnids and crustaceans.
vertebrate, such as a lion or bat, nymph sunlight energy, and provides An alternative name for the chest
that has hair or fur and feeds its A stage in the life cycle of certain nutrients and energy for the of a vertebrate animal.
young on milk. insects. Nymphs look like smaller, animals that eat it.
wingless versions of adult insects. ungulate
metamorphosis protein A mammal, such as a horse or
A major change that happens omnivore One of a group of substances pig, that has toes tipped with a
to the body of certain animals, An animal, such as a black bear, made by an animal’s cells that are hard hoof.
including amphibians and many that eats both plant and animal essential for life and that include
insects, as they mature into adults. foods. enzymes and the structural vein
proteins found in hair and A blood vessel that carries
microorganism organ spiders’ silk. oxygen-poor blood from the
A living thing that can only be A structure, such as the heart tissues toward an animal’s heart.
seen under a microscope. or an eye, that is made of two or pupa (plural: pupae)
more types of tissues and plays The resting stage in the life venom
migration a specific role in keeping an cycle of many insects, including A poisonous substance released
A journey undertaken by an animal alive. beetles and wasps, during which by an animal (a venomous
animal, often on a seasonal basis, they change from a larva to an animal), such as a rattlesnake,
from one habitat to another in organism adult with a complete change, or in its bite or sting in order to
order to find food and/or breed. An individual living thing, such as metamorphosis, in body shape. immobilize or kill prey or enemies.
an animal or a plant.
mollusk reptile vertebrate
A soft-bodied invertebrate, oxygen An ectothermic (cold-blooded) An animal, such as a fish,
such as a snail, mussel, or squid, A gas taken in by an animal that vertebrate, such as a crocodile amphibian, reptile, bird, or
that is typically protected by a is used up during cell respiration or snake, that has a waterproof, mammal, that has a backbone.
hard shell. (energy release). scaly skin and lays eggs on land.

(c) 2011 Dorling Kindersley, Inc. All Rights Reserved.

5/1/09 16:24:14
US_124_128_Gloss_Index.indd 125 12/1/09 15:16:06
124_125_Gloss_Index.indd 125