In a plant, this carries nutrients in many directions.
Phloem
The part of a plant that grows into soil and takes in water.
Root
The bones that hold the body together.
Skeleton
The hair that grows on an animal's body.
Fur
What word means "a nerve signal"?
Stimulus or stimuli
In a plant, this carries water from roots to leaves.
Xylem
The part of the flower that creates pollen.
Stamen
The muscle that pumps blood through the body.
Heart
These are hard plates that cover the skin of fish and snakes.
scales
To sort objects or living things into groups based on shared traits.
Classify
The part of the flower that holds the eggs needed for a flower to make seeds.
Ovary
Green, leaf-like part of a plant that protects a flower until it is ready to bloom.
Sepal
An organ that receives information from sense organs about the environment and then tells the body how to react.
brain
The sharp spines on a porcupine or hedgehog.
Spines
To figure out the meaning of something.
Interpret
Tiny openings on a leaf that take in carbon dioxide and release oxygen.
Stomata
The part of a flower that receives pollen to make a seed.
Pistil
The main respiratory organ that takes in and releases air.
lungs
A defense or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings. **This question will require you to really think about it. It wasn't expressly stated in the text.
Camouflage
A collection of small tubes that transports, or carries, materials up, down, and throughout an organism.
The vascular system.
A structure found only in plant cells, where sunlight is converted into food and energy for the plant.
Chloroplasts
A waxy outer coating on a leaf that helps a plant store water and controls the amount of water that leaves the plant.
Cuticle
The organ in fish and young amphibians that takes in oxygen from water.
A hard covering on invertebrates used to maintain their shape and protect their organs.
Exoskeleton
A quality or trait.
Characteristic.