Building Blocks
A tiny unit of living matter, the basic building block of all life
A Cell
An animal without a backbone such as an insect
An Invertebrate
A cold-blooded vertebrate with scaly skin
A reptile
The part of the skeleton made up of the skull, backbone, and rib cage
Living things that absorb food from the living or dead matter around them.
Fungi
The highest category into which living things are classified
Kingdom
A sea animal with an internal skeleton and a body divided into five equal parts, such as a starfish
Echinoderm
A gas filled bag that helps a fish to float in water
A swim bladder
Nerve cells that carry electrical impulses
Neurons
A flowering plant that has two cotyledons
A Dicot
The study of the relationship between living things and their environment
Ecology
A mollusk with a shell made of two parts or valves, such as an oyster or mussel
A Bivalve
Organs used to breathe underwater
Gills
This is the body system that releases hormones that control many of the body's processes.
The Endocrine System
The green chemical that gives most plants their color; it traps the sun's energy so that the plant can use it to make food.
chlorophyll
Bundles of DNA that can be found in the cell's nucleus; they work together to tell an organism how to develop
Chromosomes
An immature insect that resembles an adult but has no wings
A Nymph
The milk-producing organ of a female mammal
mammary gland
A purple-red chemical in red blood cells that is responsible for carrying oxygen
hemoglobin
A microscopic package of cells produced by fungi or plants that can grow into a new individual.
These are the two stages of cell division in a plant cell. They represent the splitting of the cell, and the creation of the new cell plate and new cell walls.
Mitosis and cytokinesis
An invertebrate with jointed legs and two pairs of antennae such as a crab
A crustacean
An animal whose temperature varies with its surroundings, also known as cold-blooded
Ectotherm
A group of microscopic organisms without cell nuclei, many of which cause disease
Bacteria
The transfer of pollen from the male part of a plant's flower to the female part
Pollination.