Science · Grades 1–4
Living things and their needs · quick reference
Classify using observable features, not just where an animal lives. A whale is a mammal even though it lives in water.
Key terms at a glance
Habitat
The natural place where an organism lives and obtains what it needs.
Herbivore
An animal whose diet consists mainly of plant material.
Carnivore
An animal whose diet consists mainly of other animals.
Omnivore
An animal that eats both plant material and other animals.
Root
A plant structure that usually anchors the plant and takes in soil water.
Stem
A plant structure that supports leaves and carries materials between parts.
Leaf
A plant structure that commonly captures light for photosynthesis.
Seed
A structure containing a young plant and stored resources for early growth.
Flower
The reproductive structure of a flowering plant.
Germination
The process in which a seed begins growing into a seedling.
Pollination
The transfer of pollen to the receptive part of a flower of the same species.
Predator
An animal that hunts and eats another animal.
Prey
An animal that is hunted and eaten by a predator.
Camouflage
Colours or patterns that help an organism blend into its surroundings.
Life cycle
The sequence of stages an organism passes through as it grows and reproduces.
Mammal
An animal in the group whose females produce milk for their young.
Amphibian
An animal in the group including frogs, toads and salamanders.
Insect
An arthropod with six legs and three main body regions as an adult.
Vertebrate
An animal with a backbone.
Invertebrate
An animal without a backbone.
Further reading and review references
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.